The Glarbergastling
- Episode aired Oct 27, 2022
- 11m
When the monster alarm goes off, Arthur and the kids embark on their first mission together to counter a threat of enormous size and appetite.When the monster alarm goes off, Arthur and the kids embark on their first mission together to counter a threat of enormous size and appetite.When the monster alarm goes off, Arthur and the kids embark on their first mission together to counter a threat of enormous size and appetite.