Lost In Time
S1, E6: After a huge explosion destroys Sealab, Stormy and Dr. Quinn are mysteriously transported fifteen minutes into the past, which puts them in a position to save Sealab from being destroyed in the first place.

S1, E6: After a huge explosion destroys Sealab, Stormy and Dr. Quinn are mysteriously transported fifteen minutes into the past, which puts them in a position to save Sealab from being destroyed in the first place.