Summary
Mark goes undercover to investigate members of a carnival planning to break into a museum. The only way to break into the museum is through an underwater tunnel, through which only Mark can swim. When he is approached, he refuses. The owner of the carnival is then kidnapped and threatened unless Mark helps.
10.5
Bionic Woman
Constantine
Dark Skies
Emerald City
Gulliver's Travels
La Brea
Merlin
Misfits of Science
Pandora's Clock
Quantum Leap
Something Is Out There