Season 20
Episodes
1. Buster's Second Chance
After Brain wins a science fair, Buster begins to wonder how different his life would be if he was smarter.
2. Arthur and the Whole Truth
While Arthur is practicing for a piano recital, he learns that Buster has been telling him white lies just to not hurt his feelings. Arthur and Buster agree to not tell any more white lies.
3. Fern's Flights of Fancy
Fern decides to enter a writer's contest.
4. Cereal
After a box of D.W.'s favorite cereal goes missing, Arthur is accused of taking it.
5. He Said, He Said
Arthur, Buster, and George are excited to watch a special Bionic Bunny episode, but the TV blacks out. Meanwhile, D.W. and Bud are building a huge Tower of Cows, which Carl also starts doing.
6. Bunny Trouble
It's D.W.'s turn to watch the preschool class bunny.
7. Bud's Knotty Problem
Bud learns to tie his shoes after seeing a pair of boots that he wants.
8. That's My Grandma!
When Grandma Thora becomes the most popular babysitter in Elwood City, D.W. becomes upset.
9. Lend Me Your Ear
Mr. Ratburn has a complete change in attitude, much to Arthur, Buster, and Brain's concern.
10. The Butler Did It
Mr. Crosswire gets a robot butler, but Muffy fears Bailey may be replaced.
11. Prunella's Tent of Portent
Prunella claims she can see the future, but Marina doubts it.
12. Mutiny on the Pitch
Francine decides to leave her soccer position to Buster when the Lakewood Elementary soccer team claims she is too bossy.
13. The Hallway Minotaur
George becomes the Lakewood Elementary hallway monitor.
14. Ladonna's Like List
Ladonna begins a list to see how many people like her.