Cops in Florida respond to a report of a dead body in the water and are surprised to discover it's a turtle and he needs help. Then a baby dolphin is tangled in fishing gear in Texas, and his mother won't leave his side.

A Great White shark becomes trapped in a lagoon off Cape Cod, MA and it's a race against time to save her. Then, a manatee is hit by a boat and a SeaWorld team responds, but first they must find her.

What starts as an annual event turns into an unprecedented crisis as hundreds of endangered sea turtles strand up and down the New England coast. Rescuers come up with an extraordinary plan to get them back to warmer waters.

This special episode to commemorate SeaWorld's 50 year anniversary looks back on some of most inspiring sea rescues, including the amazing tale of JJ the Whale and the heartwarming saga of Little Joe the Manatee who keeps getting lost.