Episode guide
Arthur: Season 21
13 episodes · premiered Oct 24, 2017
TMDB has no overview for this season.
- Episode 1: Binky's A Game Oct 24, 2017 · 13m Binky gets an A on a test and Muffy and Francine think he cheated.
- Episode 2: Brain and the Time Capsule Oct 24, 2017 · 13m Brain creates a time capsule but soon he gets frustrated when everyone wants to put something in.
- Episode 3: The Master Builders Oct 24, 2017 · 26m 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.
- Episode 4: Francine and the Soccer Spy Oct 26, 2017 · 13m Ladonna befriends a member of the Mighty Mountain soccer team.
- Episode 5: Sue Ellen and the Last Page Oct 26, 2017 · 13m The City Council votes to close down the Elwood City Library and Sue Ellen attempts to save it.
- Episode 6: Muffy Misses Out Feb 12, 2018 · 13m 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 Feb 12, 2018 · 13m Arthur discovers that Mrs. McGrady manages the cafeteria without any help and tries to hire her an assistant.
- Episode 8: Slink's Special Talent Feb 13, 2018 · 13m Slink thinks that his special talent is being a newspaper boy.
- Episode 9: Take a Hike, Molly Feb 13, 2018 · 13m The Tough Customers go on a hiking trail.
- Episode 10: The Lost Dinosaur Feb 14, 2018 · 13m Bud loses his imaginary friend Rapty, a dinosaur, and becomes worried what he'll do without him.
- Episode 11: The Princess Problem Feb 14, 2018 · 13m D.W. and Emily tell a student the story of a princess and have a substitute teacher for PE.
- Episode 12: Invasion of the Soccer Fans Feb 15, 2018 · 13m 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.
- Episode 13: Pal and the Big Itch Feb 15, 2018 · 13m When Pal goes into a trash can and rolls in the garbage, he gets an itch.