- Thomas (US): [making a promise] Don't worry, Gordon... ugh... I'll get it there for you! I Thomas Promise!
- Thomas (US): [verse 1 of I'm Gonna Chug] I'm gonna chug, I'm gonna choo. I've got a delivery to do. Up hills, down hills, around each bend, Taking this cargo to the end.
- Diesel (US): I'm gonna chug, I'm gonna choo. There's got to be a way for me to get in front of you.
- Thomas (US): [verse 2] I'm gonna chug, I'm gonna choo. I'm almost up to you.
- Thomas (US): [verse 3] I'm gonna chug, I'm gonna choo. I'm gonna pull ahead of you.
- Thomas (US): [verse 4] I'm gonna chug... I'm gonna choo. I'm Gonna catch up to you.
- Thomas (US): [verse 5] I'm gonna chug, I'm gonna choo. I got a promise coming through.
- Percy (US), Carly (US), Sandy (US): We're gonna chug, we're gonna choo. We're gonna help push you.
- Thomas (US), Percy (US), Carly (US), Sandy (US): [verse 6] We're gonna chug, we're gonna choo. We've got a delivery to do.
- Thomas (US), Percy (US), Carly (US), Sandy (US): [verse 7] We're gonna chug, we're gonna choo. We've got a delivery promise coming through.