Guest Jennifer Garner; Kelly invites Meryl Streep to join her in the studio; Matt Iseman and Sandy Zimmerman ("American Ninja Warrior"); planting sustainable foods; a magical dentist;

Guest Jay Leno; musician Bryce Vine; baker Majorie Johnson celebrates her 100th birthday; a man becomes a doctor in his 40s; an Uber driver whose act of kindness goes viral;

Guest Chance the Rapper; comic Jillian Bell; police officers who went viral, after posting dash-cam videos of themselves singing classic songs in their patrol car; Blind Dating;

Christina Aguilera; Brian Austin Green ("BH90210"); Kelly's first "ambush Christmas": crafting personalized Christmas gifts; Kelly welcomes people who have helped students; Kelly likes a special menu item at an Arkansas eatery;

Kelly covers Madonna's "Express Yourself"; actress Tracee Ellis Ross (Black-ish (2014)); Hayley Kiyoko; Dr. Pimple Popper (Dr. Pimple Popper (2018)); a couple whose hilarious empty-nest celebration went viral;

Kelly covers "Let's Go Crazy"; astronomer Neil deGrasse Tyson; singer Tori Kelly; YouTuber Taylor Darling; chef Mar Diego; Kelly grants wishes to a supportive sister and two foster parents; beauty hacker Nikki Bachman;

Kelly covers "If It Makes You Happy"; supermodel Kate Upton; Arianna Huffington; a 9-year-old aspiring reporter; a city councilor turns school buses into homes for struggling families; Kelly surprises a woman and her 2-year-old daughter;

Kelly covers "Why Haven't I Heard From You?"; singer Reba McEntire; Grant Harrold, the Royal Butler; actress Lesley Nichol ("Downton Abbey");

Kelly covers Lizzo's "Juice"; Motivational Monday; America Ferrara, Tituss Burgess and Kelly make sushi tacos with former model and celebrity chef Ronnie Woo; husband's breastfeeding PSA; "M" and "W" dad;

Kelly covers Annie Lennox's "Walking on Broken Glass"; actor Mike Colter (Evil (2019)); Ally Brooke ("Fifth Harmony"); Taco Tuesday with Danny Trejo; interracial adoption; Sasha Faber ("Dancing with the Stars");

Kelly covers Carrie Underwood's "Before He Cheats"; actor Tony Hale (Veep (2012)); Nicole Scherzinger (The Masked Singer (2019)); Kelly surprises a single mom and a photographer on a road trip; a splatter-paint activity; an inspirational teacher;

Kelly covers Shawn Mendes' "If I Can't Have You"; actor Kal Penn; Wale; a 12-year-old professional bull-rider; a healthy meal makeover; Kelly surprises a teen whose photo went viral;

Kelly sings "Love Me Like You Do"; Kristin Chenoweth; Terri, Bindi and Robert Irwin (Crikey! It's the Irwins (2018)); wild animals; a woman walks across America to benefit a pet rescue; Kelly surprises the wife of a National Guard sergeant;

Kelly sings "Let Me Blow Ya Mind"; actress Chloe Grace Moretz (The Addams Family (2019)); Long Island Medium (2010) Theresa Caputo; Drew Carey and The Price is Right (1972) Super X Games; paranormal experiences; a 6-year-old hockey girl;

Kelly sings "Can't Feel My Face"; Christie Brinkley and her daughter, Sailor Brinkley-Cook; musicians Maddie Marlow and Tae Dye; singer Kimberly Caldwell Harvey; "Dancing with the Stars" surprise;

Kelly covers Miley Cyrus' "Wrecking Ball"; Texas State Fair remote with NBC's Kris Gutierrez; Tyler Perry; Ben Platt (The Politician (2019)); Lawnmower Man Movement; best boss ever; Ben Platt and Kelly Clarkson perform;

Kelly sings Nick Jonas' "Jealous"; actress Kaley Cuoco (Harley Quinn (2019) and The Big Bang Theory (2007)); lipstick kid; rapper YBN Cordae talks and performs; teen fighting Epidermolysis Bullosa disease; female fire chiefs; Tobie the Toad;

Kelly sings "Wild One"; actress Eva Mendes; Craig Morgan visits and performs; Blake Shelton; YouTube makeup artist Manny MUA;

Kelly sings "Any Man of Mine"; actress Sara Gilbert (The Conners (2018)); singer Cyndi Lauper; Clark Atlanta University students pay it forward; how to make crystals;

Kelly covers Bazzi's "Mine"; Period Parents; Little Big Town talk and perform; a visit to the set of "Lucifer"; a cheerleader saves a baby; twin doctors; Halloween cakes; a man proposes to his girlfriend for a month, without her knowing;

Kelly covers Maroon 5's "Sugar"; Chore-Play; actor Max Greenfield ("The Neighborhood"); magician Shin Lim; TikTok weight loss surprise; Halloween yarn bomb; a young Latino teen gets into Harvard;

Kelly covers Pink's "What About Us"; actor Eric McCormack (Will & Grace (1998)); actress Liza Koshy (Liza on Demand (2018)); Mike Posner;

Kelly covers Justin Timberlake's "Can't Stop the Feeling"; a pet detective; actress Patricia Heaton (Carol's Second Act (2019)); Shane McAnally (Songland (2019));

Kelly covers Post Malone's "Better Now"; "B Is for Black Girl"; Jason Derulo (Cats (2019)); Nicole Byer; a viewer tries to find a love match by using her listening skills only; a football player gets a scholarship;

Kelly covers Brandi Carlile's "The Story"; Thanksgiving ice cream; Chrissy Teigen; actor James Wolk; miniature horses; secret integration: women in music; Chicago double Dutch;

Kelly covers Portugal the Man's "Feel It Still"; a single mom adopts a teen in need of a heart transplant; Seth Meyers (Late Night with Seth Meyers (2014)); Marie Kondo; demo with Beth Behrs; a nurse adopts a baby; wounded warrior integration;

Surprise Kellyoke; fans ask "The Voice" coaches questions; the wire down; guessing a famous voice; pregnancy photos;

Kelly covers Sam Smith's "Stay with Me"; single mom bad day friends; Josh Gad ("Frozen II"); Grace VanderWaal; long-lost sisters reunite; pancakes; a surprise Christmas tree;

Kelly covers "Bang Bang"; a dancing dad and his daughter; Jane Lynch (The Marvelous Mrs. Maisel (2017)); Jo Koy; a man on a mission to make 10,000 friends; 18th century cooking; a U.K.-based wedding-dress woman.

Kelly covers Janis Joplin's "Piece of My Heart"; a weatherman hits "reply all" on a sick notice; Kathy Bates; Kevin O'Leary cooks sous vide; John Legend and Kelly sing "Baby, It's Cold Outside"; activist Dr. Joseph Sakran; a balancing dog.

Kelly covers TLC's "Waterfalls"; Highland School (Ellen's Greatest Night of Giveaways (2019)); Lionel Richie (American Idol (2002)); Justin Willman (Magic for Humans (2018)); CEO Dan Price; Kelly surprises a 4-year-old hockey star; Gary Clark Jr. performs.

Kelly sings "Run, Run Rudolph"; Kevin Hart (Jumanji: The Next Level (2019)); a holiday surprise for a single mom; Philadelphia Eagles mascot Swoop; Santa's chief elf; a red-wine demo with Ian Cauble; an 8-year-old who reads to dogs at the shelter.

Kelly covers "Christmas (Baby Please Come Home)"; Christmas elf; Jameela Jamil ("The Good Place"); thousands finish what a late woman started; Alison Deyette's holiday gift guide; Blake Shelton performs;

Kelly performs "Underneath the Tree"; the Singing Contractors Aaron Gray and Josh Arnett; actress Idina Menzel ("Frozen II"); actress Mykel-Michelle Harris ("Mixed-ish"); King Calaway performs;

Actor Henry Golding (The Gentlemen (2019)); Lea Michele and Kelly Clarkson sing "White Christmas"; Christie Brinkley and her daughter, Sailor Brinkley-Cook; TV personalities Robert Irwin and Bindi Irwin; makeup artist Manny Mua and his dad;

Actress Tracee Ellis Ross and the girl who stood up to bullies; the Detroit Youth Choir; the Los Angeles Union Rescue Mission; Kobe Bryant surprises the coach who has cancer; Craig Morgan performs; singer Blake Shelton;

Kelly covers Roxette's "Must Have Been Love"; Harvard Rap Kids; Andy Grammer; Lisa Vanderpump; getting over getting fired; student baby project; "The Voice" winner Jake Hoot performs;

Kelly covers One Direction's "You and I"; football girl; Jenna Dewan; Luis Fonsi; New England Patriots' Rob Gronkowski; freestyle rap teacher; Curtis Stone prepares steak; love at first sight;

Kelly covers Whitney Houston's "I'm Every Woman"; weight-loss journey; Jenna Fischer and Angela Kinsey; Eric Winter; chef Scott Conant; a single mom's 2020 vision; a cop sings "Happy Birthday";

Kelly covers Post Malone and Swae Lee's "Sunflower"; couples goals; Octavia Spencer; David Dobrik; family crafting; adoption surprise; 100-year-old musicians;

Kelly covers Elle King's "Ex's and Oh's"; protesting grandparents; actress Abigail Spencer; actor Nico Santos; a cool physics teacher; a Canadian saves pedestrians; a new face of science;

Kelly covers White Stripes' ("Seven Nation Army") with the USC Marching Band; a woman's boyfriend proposes on the last day of chemo; Michael Ealy; Manny Jacinto; florals with Theodore Leaf; NICU journey; a cop finds a dog;

Kelly covers Patty Griffin's ("No Bad News"); indoor tree house; Jeff Goldblum is interviewed and performs; Ilana Glazer (Ilana Glazer: The Planet Is Burning (2020)); school prayer.

Kelly covers Alex Clare's "Too Close"; Instagram takeover dad; actors George MacKay and Dean-Charles Chapman (1917 (2019)); Annie Murphy performs with Kelly; the Emerald Belles dance team perform;

Kelly covers Foo Fighters' "All My Life"; Puppy Bowl; actress Anna Faris (Mom (2013)); Tony Gonzalez; best big-game foods; Kelly surprises a teen football player; WNFL star Santia Deck; cat speaks with a Southern accent;

Kelly covers Daya's ("Sit Still Look Pretty"); Norman Lear; Fortune Feimster (Fortune Feimster: Sweet & Salty (2020)); guacamole demo; a foster mom of five; Acapop. KIDS perform; baby dishwasher.

Kelly covers Aerosmith's "I Don't Want to Miss a Thing"; DIY Instamodel; actress Michelle Monaghan ("Messiah"); actor Deon Cole ("Black-ish"); love bomb; molecular cocktails; a foster mom of six;

Kelly covers Alannah Miles' ("Black Velvet"); a man visits every U.S. national park; Whitney Cummings; Alexander Ludwig; Wolfgang Puck; a long-distance couple with Down syndrome whose airport reunion went viral; a golf trick shot.

Kelly covers Lee Ann Womack's ("I Hope You Dance"); love bomb; flower arrangements based on personality type; Hoda Kotb; Darci Lynne Farmer performs; Dallas teacher of the year; a superfan has a Beyoncé-themed wedding.

Kelly covers Britney Spears' "Toxic"; an 82-year-old CrossFit trainer; Peter Gallagher; Lily Aldridge; The Fitness Marshall; Valentine's Day tree; love bomb; "Thunderstruck" baby song.

Kelly covers Avril Lavigne's "I'm With You"; neighbors learn sign language for a deaf girl in town; Justin Hartley; Abby Elliott; love bomb; Boston barber artist.

Kelly covers Pat Benatar's "We Belong"; hot nurse from Omaha; Sebastian Maniscalco; Lana Condor; love bomb; a game; Valentine's Day cookies; a hero bus driver; a viral-video dad mimics his newborn's faces.

Kelly covers The Pretenders' "I'll Stand by You"; a neighborhood gets a classroom makeover; actress Amy Poehler (Duncanville (2020)); Rebecca Romijn (2020 American Rescue Dog Show (2020)).

Kelly covers Olivia Newton-John's "Hopelessly Devoted to You" while roller skaters perform; Jim Carrey, James Marsden and Ben Schwartz; love bomb; Coyote Peterson and his wild animals.

Kelly covers Robyn's "Dancing on My Own"; Legos; Constance Wu (Fresh Off the Boat (2015)); Kit Williamson; a principal gives students haircuts; a teacher focuses on mental health; UCLA dance performance; a dad's creative portrait idea.

Kelly covers Lauv's "I Like Me Better"; promotion surprise; Dan Levy ("Schitt's Creek"); Stephanie Beatriz; Japanese pancakes; Kimora Lee Simmons surprises a young aspiring designer; mother and son are on a daily running streak.

Kelly covers Nikka Costa's "Everybody's Got Their Something"; 34 bridesmaids; Ken Jeong (The Masked Singer (2019)); Jurnee Smollett-Bell (Birds of Prey (2020)); "name that toon" game; Pastor Michael's cruise; a 91-year-old woman shows her moves.

Kelly covers Cheap Trick's "I Want You to Want Me"; a cute little wedding chapel in Long Beach, Calif.; Nick Kroll (Olympic Dreams (2019)); Jane Levy; a Sleeping Beauty proposal; chef Adam Glick prepares stuffed peppers; cancer bell.

Kelly covers Lewis Capaldi's "Someone You Loved"; a student gets wheels for a marching band; Lauren Graham; "Impractical Jokers" cast; Roy Choi prepares spicy pork burritos; Lilly Tartikoff and Dr. Dennis Slamon; a dad's video goes viral.

Kelly covers "Hold On" with Wilson Phillips; Ian Somerhalder (Time Framed (2016)); Kelly teams with Pentatonix to help a woman surprise her police-officer husband with a personal love song; a viral-video mom.

Kelly covers Melissa Etheridge's "I'm the Only One"; Jesse Tyler Ferguson; Cheryl Hines; "Oy. That's Awkward" game; God's Garage in Houston; PJ Morton performs; an Austin, Texas, bakery makes meme cookies.

Kelly covers Camila Cabello's "Havana"; a coffee artist; Melissa McCarthy ("Can You Ever Forgive Me?", "The Kitchen", "Superintelligence"); "Who's More Gilmore?"game; Super Hero Kid update; an English man uses a billboard to look for love.

Kelly covers Whitney Houston's "Run to You"; a family let people live in their backyard teepee; Rosario Dawson; Xosha Roquemore and Alano Miller; Dustin Lynch; positivity magnet; a dad makes a tool-cart baby-changer.

Kelly covers "Close"; Skype with the Irwins; Lilly Singh ("A Little Late with Lilly Singh"); Paul Wesley ("Tell Me a Story"); activist and fashionista Sinead Burke; Matthew Cherry and Karen Rupert Toliver ("Hair Love"); clap-back mom;

Kelly covers "Somebody That I Used to Know"; Jimmie Johnson; Walls of Love in Cleveland; house fire hero; a call to action; Leslie Odom Jr. performs;

Kelly covers "Can't Help Falling in Love"; yarn art; actor Eugene Levy ("Schitt's Creek"); "Eye Know Those Brows" game; actress Alyson Hannigan ("Girl Scout Cookie Championship"); 15 White Coats; cat ear hat;

Kelly covers "Trampoline"; Ben Affleck and the cast of the movie, "The Way Back";

Kelly covers "Natural Woman"; mini-Kelly shadows Kelly for a day; actress Liv Tyler (9-1-1: Lone Star (2020)); an update on Kimora Lee Simmons and Skylar Johnson;

Kelly covers Selena Gomez's "Lose You to Love Me"; a female wrestler; Selena Gomez; Keith Morrison and Josh Mankiewicz; Lamorne Morris; "Dateline" story: "Dirty John"; St. Patrick's Day cakes; body trends by decade.

Kelly covers Alessia Cara's "Here" and surprises a kind 8-year-old with a party; Dave Bautista; Chloe Coleman; Katherine Schwarzenegger Pratt; a 10-year-old model with spina bifida gets an emotional surprise; a 4-year-old entrepreneur.

Kelly covers Shania Twain's "Whose Bed Have Your Boots Been Under?'"; an "I Am a Gentleman" program; Shania Twain; Chicago St. Patrick's Day parade preview; Nashville Call to Action with Billy Ray Cyrus.

Kelly covers The Pretender's "I'll Stand by You"; Jane Lynch (Criminal Minds (2005) and Hollywood Game Night (2013)); Nick and Vanessa Lachey (Love Is Blind (2020)); Bill Engvall.

Kelly covers Janet Jackson's "If", David Spade; Fortune Feimster; Ron Funches; Calais Campbell.

Kelly covers "The Power of Love"; good neighborhood Cincinnati; singer/songwriter Huey Lewis; actor Marcus Scribner (Black-ish (2014)); Sole Bros.; first black Annie; Monsta X performs.

Kelly covers "Heaven"; Steven Weber (Indebted (2020)); Tichina Arnold (The Neighborhood (2018)); Danielle Kartes cake demo; Thunderbirds pilot; sand art.

Kelly covers "Walking After Midnight"; daddy/daughter dance; Tim Allen (Last Man Standing (2011)); Alison Pill (Star Trek: Picard (2020), Devs (2020) and Them (2021)); thistle farms; teacher delivery.

Kelly covers Marc Broussard's "Home"; the owner of the first U.S. dog cafe; Joel McHale; Grace Byers; grocery-bagging competition; Duff Goldman cake demo; a track coach saves a child's life; a time-out dog keeps his best buddy company.

Kelly covers Sam Smith's "Too Good at Goodbyes"; actress Tiffany Boone (Hunters (2020) and Little Fires Everywhere (2020)); CMA teacher; a 6-year-old with a static-cling problem; Billy Ray Cyrus performs.

Kelly shares a special "Message from Montana" and covers Sam Smith's "Stay with Me"; actor Josh Gad ("Frozen II"); actress Grace VanderWaal ("Stargirl"); long-lost sisters reunite; a surprise Christmas tree;

Kelly shares a special "Message from Montana" and covers "Just Sing"; Zoom interview; Justin Timberlake and Anna Kendrick ("Trolls World Tour"); Eva Mendes; Craig Morgan; Tobie the Toad;

Kelly covers "Why Haven't I Heard from You"; Reba McEntire; Grant Harrold; Lesley Nicol;

Message from Montana monologue;

Kelly covers U2's "I Still Haven't Found What I'm Looking For"; #StartTheConversation with W. Kamau Bell, Zach Braff, and Donald Faison; Mortgage Week;

Kelly covers Etta James' "I'd Rather Go Blind"; actor Kevin Costner ("Yellowstone"); actress Nicole Byer ("Valley Girl"); Mortgage Week: Kelly surprises a family in need;

Kelly covers The Ronettes' "Be My Baby"; law school scholarship surprise; author Laura Prepon (book, "You and I, as Mothers: A Raw and Honest Guide to Motherhood"); rapper Ne-Yo; helping children and moms in underserved communities;

Kelly covers Shawn Mendes' "Senorita"; FroBabies; Chelsea Handler (book, "Life Will Be the Death of Me"); Ron Funches ("Harley Quinn"); Frank Grillo ("Billions"); Montana protest photo; vision board; dogs in the way;

Kelly covers Lisa Loeb's "Stay (I Missed You)"; a 13-year-old college graduate; Demi Lovato (Eurovision Song Contest: The Story of Fire Saga (2020)); actor David Boreanaz (SEAL Team (2017)); Nashville walking; Seattle's mini car photographer;

Kelly covers The Chicks' "Cowboy, Take Me Away"; black country fan; Simon Cowell, Sofia Vergara, Heidi Klum, Howie Mandel, and Terry Crews ("America's Got Talent"); Kate the Chemist; no drama llama;

Kelly covers Bruno Mars' "Finesse"; Tim Allen; Theresa Caputo; Neil deGrasse Tyson; Annie Murphy; Sho Madjozi; Keith Sweat;

Kelly covers Sam Smith's "Stay with Me"; Jason Derulo; Michael Ealy; Trevor Jackson; Kevin Hart; Garth Brooks;

Kelly's video, "Just Sing"; Sherri Shepherd and Kym Whitley; Jillian Bell and Chance the Rapper; Ben Platt; Jason Momoa;

Kelly covers Fred Rogers' "A Beautiful Day in the Neighborhood"; Tracee Ellis Ross; Olivia Mudd;