Assignment: UnderwaterAssignment underwater season 1Season 1 · 1960 · 38 episodesEpisodes1The Hot Chihuaha2Operation Betrayal3The Sea Cave4Panic Off Punta Banda5The Gun6The Coast Watcher7Charley Noble's Pearl8Dead-Log Pickup9Decoy10A Matter of Honor11The Portrait12A Message to Mulligan13Troubled Waters14Tension Below15A Drop in the Ocean16The Medal17Odd Man Dies18Nightmare Bay19Affair in Tokyo20The Key21The Dam22Boat Missing23Journey to Death24The Target25Dead Weight26Ghost Dive27Swamp Light28Ship Killer29Gold Feaver30A Question of Degree31Witness from the Dead32Anchor Man33The Secret of the Reef34Rescue at Diamond Shoal35Ordeal at Forty Fathoms36No Escape37Partners in Death38The Deadly Game