The Challenge
S05E25 Rusty & The Boulder
The Fat Controller has inaugurated a new mine, connecting both the narrow and standard gauge railways. To facilitate this, an ancient boulder was relocated, causing Rusty some concern. Eventually, the boulder breaks free and tumbles down the cliff, racing after Rusty! He narrowly avoids disaster by diverting onto a siding, but the boulder keeps rolling fiercely onward. Meanwhile, at the mine, Percy finds himself trapped with the boulder barreling straight towards him, leaving him with no escape!
Season 5 Episodes
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Hang Man, Part 1
Cranky Bugs
Hang Man, Part 2
Horrid Lorry
Hurricane Juliette
A Better View For Gordon
Who to Vote Off?
Lady Hatt's Birthday Party
Musical Inner-Tube Tango
James & The Trouble With Trees
Vertical Limit
Gordon & The Gremlin
Slam Dunk
Bye George!
Baa!
Montezuma's Revenge
Put Upon Percy
Ladder of Doom
Toby & The Flood
Round 'Em Up
Haunted Henry
Rush Hour
Hands on Saturn
Double Teething Troubles
Sidekick Showdown
Stepney Gets Lost
Blockhead
Toby's Discovery
Siamese Wrestling
Something In The Air
Handsome Reward
Thomas, Percy & Old Slow Coach
Thomas & The Rumours
Oliver's Find
Happy Ever After
Sir Topham Hatt's Holiday
A Surprise For Percy
Make Someone Happy
Busy Going Backwards
Duncan Gets Spooked
Rusty & The Boulder
Snow