Season 21
Episodes
1. Binky's A Game
2017-10-24
Binky gets an A on a test and Muffy and Francine think he cheated.
2. Brain and the Time Capsule
2017-10-24
Brain creates a time capsule but soon he gets frustrated when everyone wants to put something in.
3. The Master Builders
2017-10-24
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.
4. Francine and the Soccer Spy
2017-10-26
Ladonna befriends a member of the Mighty Mountain soccer team.
5. Sue Ellen and the Last Page
2017-10-26
The City Council votes to close down the Elwood City Library and Sue Ellen attempts to save it.
6. Muffy Misses Out
2018-02-12
Muffy goes to an opera but is also worrying that the members of Mrs. McGrady's bake sale will need her help.
7. Arthur Takes a Stand
2018-02-12
Arthur discovers that Mrs. McGrady manages the cafeteria without any help and tries to hire her an assistant.
8. Slink's Special Talent
2018-02-13
Slink thinks that his special talent is being a newspaper boy.
9. Take a Hike, Molly
2018-02-13
The Tough Customers go on a hiking trail.
10. The Lost Dinosaur
2018-02-14
Bud loses his imaginary friend Rapty, a dinosaur, and becomes worried what he'll do without him.
11. The Princess Problem
2018-02-14
D.W. and Emily tell a student the story of a princess and have a substitute teacher for PE.
12. Invasion of the Soccer Fans
2018-02-15
D.W., Arthur, Vicita, Mr. Read, Grandma Thora, and Vicita's father watch a soccer game on TV and Baby Kate becomes addicted to it.
13. Pal and the Big Itch
2018-02-15
When Pal goes into a trash can and rolls in the garbage, he gets an itch.