Oscar and the Monsters Chapter 1: Unaccompanied Oscar Summer Camp Island : Season 5 Episode 10
TV-Y7 HBO Max 11m
Aired: December 9th, 2021 @ 3:00 AM EST on HBO Max
When Oscar isn’t invited to Alexa’s birthday party, Mortimer tries to make him feel better by telling him about a similar time in his life. Ever the glowworm, Oscar sneaks back in time to help a young Mortimer overcome the sad experience.
