Bob's team just got BIGGER with the most mega build EVER! Meet new team members Thud, Crunch, and former TV star Ace. They help Scoop, Muck, and Lofty clear the quarry to make room for an exciting new dam and reservoir. However, a rival contractor tries to undermine Bob and it's up to the team to save Spring City. Will they be up to this mega challenge or will it all end up washed away?
Lee Ingleby
as Bob (voice)
Joanne Froggatt
as Wendy (voice)
Brian Cox
as Conrad / Crunch (voice)
Dustin Demri-Burns
as Tread / Thud (voice)
Blake Harrison
as Scoop (voice)
Steven Kynman
as Lofty (voice)
Iain Lauchlan
as Chef Tattie (voice)
Nick Mercer
as Mr. Bentley (voice)
Ben Miles
as Ace (voice)
Lucy Montgomery
as Mayor Madison (voice)
Terry Mynott
as Tiny / Two-Tonne (voice)
Paul Panting
as Muck (voice)
