The Cat in the Hat Knows a Lot About That! - Season 3 - Eps 2: Accidents Happen... If You're Lucky/Making Waves
When Sally destroys Nick's model of a mountain, the Cat takes them to meet Sara of Serendip, an inventor who helps them understand that you can make new discoveries through your mistakes. / Nick discovers that Sally can't hear him when he yells from his bedroom window if their bedroom windows are closed. The Cat takes them to the Soundy Sea and they learn that sound travels in waves.
About The Cat in the Hat Knows a Lot About That!

Title: The Cat in the Hat Knows a Lot About That!
First Air Date: 2013-03-11
Last Air Date: 2018-06-16
Status: Returning Series
Rating: 8.1/10 (from 8 votes)
Language: EN
Seasons: 4
Total Episodes: 147
Network: PBS Kids
Genres: Animation, Family, Kids
Production Companies: Collingwood & Co., Portfolio Entertainment, Random House Children's Entertainment, Dr. Seuss Enterprises, KQED-TV
Synopsis
The Cat in the Hat is back -- and this time, he's teaching Sally and her brother, Nick, some awfully nifty things to think about!
Cast

Martin Short
The Cat in the Hat (voice)

DeAndray Hamilton
Nick (voice)

Halle Nunes
Sally (voice)

Rob Tinkler
Fish, Thing One and Thing Two (voice)

Tracey Hoyt
Nick's mother, Sally's mother (voice)

Heather Bambrick
Giant panda Zhu Zhu (voice)

Annick Obonsawin
Reindeer Ralph (voice)

Angela Lewis
Beaver Betty (voice)

Jeffrey Tambor
Bettys friend (voice)