Oggy and the Cockroaches - Season 3 - Eps 16: Inside Out
A witch drops a strange invention - an enchanted telescope, namely - in Oggy's house. When the cockroaches use it, they grow to gigantic size - and of course manage to shrink Oggy, Bob and Jack.
About Oggy and the Cockroaches

Title: Oggy and the Cockroaches
First Air Date: 1999-09-06
Last Air Date: 2022-05-10
Status: Ended
Rating: 7.4/10 (from 341 votes)
Language: FR
Seasons: 8
Total Episodes: 579
Network: France 3 Canal+ Family Gulli
Genres: Animation, Comedy, Kids, Family
Production Companies: Studio Xilam, Saban International, Gaumont International, France 3
Synopsis
Oggy, an anthropomorphic cat, would prefer to spend his days watching television and eating, but is continuously pestered by three roaches: Joey, Marky and Dee Dee. The cockroaches' slapstick mischief ranges from plundering Oggy's refrigerator to hijacking the train he just boarded. In many situations Oggy is also helped by Jack, who is more violent and short-tempered than him and is also annoyed by the cockroaches. Bob, a short-tempered bulldog, also appears in the show, and is Oggy's neighbor.
Cast

Kaycie Chase
Piya (voice)