Air date: 2023-02-20

Runtime: 45 min

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

Air date: 2023-02-21

Runtime: 45 min

Alliances are formed in a test of endurance and memory.

Air date: 2023-02-22

Runtime: 45 min

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

Air date: 2023-02-23

Runtime: 45 min

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

Air date: 2023-02-23

Runtime: 45 min

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.