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James' Worst Nightmare is a Friturtoons episode from Season 1. It is silimar to the Rugrats episode "Angelica's Worst Nightmare".
James hears that Thomas and Emily are taking a baby cat to Tidmouth Sheds and has a bad dream about the new baby cat teaching him a lesson.
- US Narrator: Duane Lawrence
- UK Narrator: Michael Angelis
- This is the only apperence of The Big Baby Cat.
- Ren Hoek (cameo)
- SpongeBob (cameo)
- The Big Baby Cat
- Narrator: One day, James was having a drink.
- James: Ahhh, it feels great.