When a friendly yak with a knack for rhyming shows up in the beavers' dam, he decides to try to make their environment as safe and happy as possible, though his actions soon cause the beavers to grow weary of him.
- This episode was originally entitled "The Yak In The Sack Gets Whacked".
- There exists another variation of this episode where the background audio is prematurely played for a short while.
- The title is a reference to The Cat in the Hat.
- When Dag points at the star on Norbert and says he wants one, it is a reference to the Dr. Seuss book The Sneetches and Other Stories.
- Nick Bakay as Norbert
- Richard Horvitz as Daggett
- Charles Kimbrough as Narrator
- John de Lancie as Yak in the Sack
"Driving Misses Daggett"