Can Francis wrangle a wily octopus in cold Canadian waters? FISH TANK KINGS RETURNS MON APR 28 at 9P.\rbr\rbr\rbr\rbrFrancis needs to catch dozens of moon jellyfish for a client - can he net them all without too many stings? FISH TANK KINGS AIRS MONDAYS at 9P.\rbr\rbrThe Fish Tank Kings are tasked with turning a dingy, old snorkeling aquarium into a fish-lovers paradise. FISH TANK KINGS AIRS WEDNESDAYS at 10P.\rbr\rbrThe Fish Tank Kings have to figure out how to recreate a prehistoric coral reef for the Philly Zoo. FISH TANK KINGS AIRS WEDNESDAYS at 10P.