Uncle McHoward leaves Moe a castle in Scotland, but the Stooges go to the wrong one and a witch turns them into chickens; the boys are interns; cave explorers Larry, Moe and Curly Joe discover the not-so-extinct giant looney bird.
The Stooges hook a magic fish; Moe is a dead ringer for outlaw 4-Gun Slinger, creating problems with the sheriff and angry town folk; in the Arctic, a polar bear is an uninvited guest in the Stooges' igloo.
The Stooges choose whether to demolish a 900-story skyscraper or a construction shack; the boys rocket to Mars and end up in a Martian zoo; the boys go to Never Nervous Land to retrieve treasure stolen by Captain Schnook.
Movie stuntmen Stooges think a banquet scene will be great, until they realize they are a meal for lions; the boys try to recapture a bull they lost; park rangers Larry, Moe and Curly Joe have to stop a termite on a rampage.
The Stooges invent a seltzer powered Flycycle from a bicycle to outdo the Wright Brothers; the boys add their artistic flair to a ceiling painting, destroying the original work; Curly Joe's lip-synching skills lead to problems when he goes on stage.
The boys deal with Dirty Dan Dimwitty and an angry bull to win the race; the Stooges are detectives who get help from a whale to capture a thief; General Nuisance sends the boys into enemy territory with a phone that rings at just the right time.
Curly Joe has a toothache, so Moe tries some home remedies to pull the tooth; the boys are in the jungle to capture a real wildman, but what they find is a beatnik; Moe ups the power at the car wash, and the cleaning system starts breaking cars.
The boys are caught behind enemy lines, and they escape but don't realize they brought back a bomb; the boys make so much noise as lumberjacks they wake a hibernating bear; the boys want the sherriff to put Old Loudmouth in jail.