Scrapheap Challenge: Season 4
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Scrapheap Challenge Season 3.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 4 Progress Shield
Egg Shooter
Sep 9, 2001
The new series kicks off with our barmiest challenge yet: to build a machine that will fire an ostrich egg as far as possible and bring it back to earth in one piece. The machines
Monster Truck
Sep 16, 2001
The challenge for the second heat is to build a 'monster truck' and drive it around an 'S'-shaped course in a dirt oval. The trucks will have to climb dirt hillocks and crush a lin
Torpedos
Sep 23, 2001
This week's challenge is to torpedo the opposition. Each team must build re-usable torpedoes that run just under the surface of the water, like the torpedoes used to attack boats (
Street Cleaner
Sep 30, 2001
The teams have to build a four-man machine to clean up litter. Different kinds of rubbish (such as old cans, plastic bottles, newspapers, cardboard, old clothes and bin liners) wil
White Water Rider
Oct 7, 2001
The challenge is to build a powered craft to negotiate a stretch of white-water river. The craft must be powerful enough to get up the rapids but also have enough manoeuvrability t
Snowmobile
Oct 14, 2001
The challenge is to build a one-man snowmobile. The test course, in the Mammoth Mountains, northern California, is circular with a 300-metre diameter. Each team has 10 minutes; the
Mobile Crane
Oct 21, 2001
This challenge is to build mobile cranes to lift and carry scrap down a course to a drop-off point. Each piece of scrap is allocated a points value relating to its weight or awkwar
Minesweeper
Oct 28, 2001
This week's challenge is to build minesweepers.The test is over two rounds. In round one, each team is given 10 minutes to destroy as many paint-bomb mines as possible in a minefie
Hill Climber
Nov 4, 2001
The challenge this week is to build a one-man hill climber. The teams will have three attempts to scale a 360ft slope with a 1:2 gradient. The team that makes it to the top the mos
Tunneller
Nov 11, 2001
At vast expense, this week we have constructed our very own Wormwood Scraps Prison. The challenge facing the teams is to build tunnel-boring machines (TBMs) to break out and into t
Final: Hydrofoil
Nov 18, 2001
The ultimate challenge in this series is to build a hydrofoil a boat with wing-like structures underneath its hull to lift the hull out of the water at speed. The team with the f
Grand Final: Car Jousting
Nov 25, 2001
The champions' challenge is to take an ordinary car and convert it into a radio-controlled fighting machine. In the contest, points are scored for hitting targets on the opposing m
Christmas Special: Scrapheap Mega Challenge: All-Terrain Marathon
Dec 23, 2001
The mega challenge is to build a hybrid machine to face a two-day triathlon. Stage one is flat out on the salt-flats. Stage two is in a canyon littered with giant boulders. And sta