Fievel visionalizes the monster might be a bit spooky for small viewers.
Parents might find Tanya being frequently ignored by her family members and the Mousekewitz parents not given their young daughter "No dating before a pacific age" policy as the little girl flirts with an older man and Fievel questioning his sister if she likes a grown man as her boyfriend objectionable.
The intro starts out with Fievel's nightmare, which can be a bit scary for young viewers.