Spock and McCoy are forced to fight in Roman-like games.
Rob recalls the time he defended his title as middleweight champion of the Army camp.
Hardie finds a stolen stagecoach in a town near the Mexico border--miles from any Wells Fargo station. He soon discovers most of the citizens of the town are not exactly on the level.
The wagon train becomes a casino on wheels after a famous gambler (Charles Drake) hops on board.
Three brothers hire Mike Nelson to give them SCUBA instructions. Their secret purpose for the lessons: a daring underwater attempt to free a fourth brother from Alcatraz, the 'unbreakable' island prison.
