Homer drives home and crashes into the garage, angering Marge.

Mr. Burns awards Worker of the Week to an inanimate carbon rod.

Homer feels disrespected and complains to his family at dinner.

Homer watches a boring space launch on TV and gets frustrated.

NASA officials panic over low TV ratings for the space launch.

NASA decides to recruit an ordinary person as an astronaut to boost ratings.

Homer makes a crank call to NASA and is recruited as an astronaut.

NASA introduces Homer and Barney as the new astronauts at a press conference.

Barney is told he cannot drink beer during training and complains.

Bart and Lisa talk about Homer becoming an astronaut and their feelings.

Barney demonstrates his improved abilities after quitting drinking.

Homer and Barney undergo training and Homer mentions a swimsuit competition.

Barney is declared winner but drinks non-alcoholic champagne and goes wild.

A violent Itchy and Scratchy cartoon plays on TV.

Homer tells Marge he is scared to go to space but she encourages him.

Homer boards the spacecraft and the launch countdown starts.

Homer marvels at the beauty of Earth from space.

Homer smuggles chips on board which release ants that cause chaos.

James Taylor sings to the astronauts during the ant crisis.

The astronauts use a vacuum technique to blow ants out and fix the hatch.

The spacecraft reenters and lands safely, with Homer hailed as hero.

Homer reunites with his family and reflects on his experience.

The episode ends with a couch gag and credits.