Alvin and the Chipmunks - Season 5 - Eps 13: Big Dreams
Alvin gets a registered letter from the Publishing Warehouse stating he's a winner! He either could take $500 or the mystery prize, but had to call by 6:00 pm to decide. So with Simon's time machine help, the Chipmunks & Chipettes view what would happen if Alvin took... $500 - Alvin & Brittany are married with two kids & they live in a mansion. Simon & Jeanette are married as they both got Nobel Prizes while Theodore & Eleanor are married, owning a restaurant/nightclub. They are rich! Mystery Prize - Alvin loses his singing voice after being food poisoned over that mystery prize. All three couples live in poverty. So Alvin calls the Publishing Warehouse to take the $500. Then he's heartbroken to learn that you have to be @ least 18 to qualify for the Publishing Warehouse Sweepstakes!
About Alvin and the Chipmunks

Title: Alvin and the Chipmunks
First Air Date: 1983-09-17
Last Air Date: 1990-12-01
Status: Ended
Rating: 6.8/10 (from 74 votes)
Language: EN
Seasons: 9
Total Episodes: 172
Network: NBC
Genres: Animation, Comedy, Family
Production Companies: DiC Entertainment, Bagdasarian Productions, Ruby-Spears Productions, Murakami Wolf Swenson, A-1 Productions
Synopsis
Three chipmunk brothers, Alvin, Simon, and Theodore are adopted by human, Dave.
Cast

Ross Bagdasarian, Jr.
Alvin / Simon / Dave Seville (voice)

Janice Karman
Theodore / Brittany / Jeanette / Eleanor (voice)

Dody Goodman

Nancy Cartwright

Frank Welker

Tress MacNeille

Ross Bagdasarian