Based on

Movies like Flagpole Jitters (1956)

The stooges are taking care of their invalid friend Mary who is confined to wheelchair. At their jobs in a theater, where they hope to earn money for an operation for Mary, they witness a hypnotist, doing his act. The stooges become subjects for his show and are hypnotized into walking out on a flagpole high above the ground. When they come out of their trance and realize their predicament they fall into a window and foil a robbery in progress thus earning reward money to pay for Mary's operation.