E1 - Episode 1

Aired: February 20, 2023

Celebrities compete in athletic challenges for a share of a £100,000 prize fund.

E2 - Episode 2

Aired: February 21, 2023

Alliances are formed in a test of endurance and memory.

E3 - Episode 3

Aired: February 22, 2023

Model and reality star Arabella Chi faces a dilemma: will she stay loyal to an old friend?

E4 - Episode 4

Aired: February 23, 2023

One player questions if her friendship is worth risking £50,000 for?

E5 - Episode 5

Aired: February 23, 2023

Host Mark Wright presides over the Final, as the remaining Challengers race across the Argentinian countryside for their share of £100,000, and to be crowned Challenge UK Champion.