The BEST episodes written by Janice Karman
#1 - Germs
Alvinnn!!! and The Chipmunks - Season 3 - Episode 26
#2 - School Alone
Alvinnn!!! and The Chipmunks - Season 3 - Episode 37
Alvin and Brittany get locked in school together and fear there may be a ghost haunting the school.