Farmer Lloyd Larkin thinks local alligator Ol' Joe has turned rogue and is eating his pigs and chickens. Tom offers to catch him and move him away, enlisting the help of champion alligator wrestler Boomhauer. Mark and Ellen go fishing and discover that the pigs and chickens are actually being stolen by Larkin's farmhands. Tom captures them after a long chase and Larkin realizes Ol' Joe is harmless, and states that now ""Ol' Joe's gotta stay.""