Every season of Assignment: Underwater ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Assignment: Underwater!

The Hot Chihuaha

Operation Betrayal

The Sea Cave

Panic Off Punta Banda

The Gun

The Coast Watcher

Charley Noble's Pearl

Dead-Log Pickup

Decoy

A Matter of Honor

The Portrait

A Message to Mulligan

Troubled Waters

Tension Below

A Drop in the Ocean

The Medal

Odd Man Dies

Nightmare Bay

Affair in Tokyo

The Key

The Dam

Boat Missing

Journey to Death

The Target

Dead Weight

Ghost Dive

Swamp Light

Ship Killer

Gold Feaver

A Question of Degree

Witness from the Dead

Anchor Man

The Secret of the Reef

Rescue at Diamond Shoal

Ordeal at Forty Fathoms

No Escape

Partners in Death

The Deadly Game

Assignment: Underwater is an American adventure television series which aired in NTA Film Network syndication from 1960 to 1962.

The Best Seasons of Assignment: Underwater

The Best Seasons of Assignment: Underwater

The Best Seasons of Assignment: Underwater

Season 1