The Master Builders
Buster keeps failing at creating a birdhouse to keep the community safe while Muffy and Francine come up with a new company named "Skywire" and attempt to create a cat toy.
More from Season 21
Episode 1
Binky's A Game
Binky gets an A on a test and Muffy and Francine think he cheated.
Episode 2
Brain and the Time Capsule
Brain creates a time capsule but soon he gets frustrated when everyone wants to put something in.
Episode 4
Francine and the Soccer Spy
Ladonna befriends a member of the Mighty Mountain soccer team.
Episode 5
Sue Ellen and the Last Page
The City Council votes to close down the Elwood City Library and Sue Ellen attempts to save it.
Episode 6
Muffy Misses Out
Muffy goes to an opera but is also worrying that the members of Mrs. McGrady's bake sale will need her help.
Episode 7
Arthur Takes a Stand
Arthur discovers that Mrs. McGrady manages the cafeteria without any help and tries to hire her an assistant.
