Rainbow Dash Vs Bill or is it Ben? is the first episode of the first season of Thomas' Adventures Chronicles.
Bill and Ben are beliveing that Rainbow Dash has gone way too show off. So they decide to teach her a lesson by using their same looks to play tricks on her.
- Thomas, Twilight Sparkle, Percy, Pinkie Pie, Fluttershy, Rarity, Applejack, Rainbow Dash, Spike (MLP), The Cuite Mark Crusaders and Bill & Ben are starring in this episode.
- Twilight Sparkle and her friends meets Bill and Ben for the first time.
- This Episode is based on a magazine story, Diesel's Race and Thomas and Friends - Seventeeth Series' episode - Bill or Ben?
- This episode will takes place before Thomas the Tank Engine Gets Frozen.