6.590 minSeason 1 • Episode 13
LatestMark 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.
Atlantis survivor Mark Harris breathes underwater, withstands extreme depth pressures and wields superhuman strength.
Creator
Mayo Simon
US
