After Brain wins a science fair, Buster begins to wonder how different his life would be if he was smarter.
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.
Fern decides to enter a writer's contest.
After a box of D.W.'s favorite cereal goes missing, Arthur is accused of taking it.
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.
It's D.W.'s turn to watch the preschool class bunny.
Bud learns to tie his shoes after seeing a pair of boots that he wants.
When Grandma Thora becomes the most popular babysitter in Elwood City, D.W. becomes upset.
Mr. Ratburn has a complete change in attitude, much to Arthur, Buster, and Brain's concern.
Mr. Crosswire gets a robot butler, but Muffy fears Bailey may be replaced.
Prunella claims she can see the future, but Marina doubts it.
Francine decides to leave her soccer position to Buster when the Lakewood Elementary soccer team claims she is too bossy.
George becomes the Lakewood Elementary hallway monitor.
Ladonna begins a list to see how many people like her.