2. Episode 2

Alliances are starting to form, and as bodies ache and morale drops, the temptations are becoming harder to resist.

3. Episode 3

A vast ideological split has formed between the trekkers. Will any of them trade a chunk of the prize money for an evening in a living room that's just like home?

4. Episode 4

Fatigue is setting in and the mood in the group is at an all-time low. They could do with a pick-me-up - just like a lavish party that's plonked right in their path...

5. Episode 5

The prize fund has taken some hits and the trekkers are divided. But will that stop anyone from spending more of it on a trip to a cocktail bar?

6. Episode 6 - The Final

The trekkers enter the final stretch of their journey, and the prize money is tantalisingly close. But a bombshell rule change throws everything up in the air.