Four teams must incorporate a "Sports Night" theme and custom elements into their Rube Goldberg-style topples; the pressure is on as one wrong move could set off a chain reaction that knocks them out of the running.

Four new teams face off in a domino topping and chain reaction tournament with holiday themes; the teams are given custom elements to incorporate into their Rube Goldberg-style topples.

Four new teams of domino enthusiasts must create topples with a time travel theme.

Four new teams of domino enthusiasts must create topples with movie themes.

Four teams compete in the first night of the playoffs in an unbelievable domino toppling and chain reaction tournament with water world themes; the pressure is on as one wrong move could set off a chain reaction that knocks them out.

Four teams compete in the final night of the playoffs in an unbelievable domino toppling and chain reaction tournament with themes around a night in Vegas; the three teams whose topples come out on top continue on to the quarter-finals.

In the first night of the quarter finals, three teams compete in an unbelievable domino toppling and chain reaction tournament with circus act-themed builds; two teams continue on to the semifinals.

In the last night before the semifinals, three teams create topples with a science theme, featuring guest judge Bill Nye; the two teams whose topples come out on top continue on to the semifinals.

Four teams compete in an unbelievable domino toppling and chain reaction tournament with a Hot Wheels theme.

It's time for the finale, as 3 teams build whatever they want, working around the pre-existing finish line arch; the team whose topple comes out on top wins the $100,000 prize.