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Steve Backshall's Extreme Mountain Challenge Episodes

  1. Sunday 00:10
    BBC Four

    Episode 1

    1/2 Steve Backshall attempts to climb Venezuela's tepuis - ancient, sheer-sided mountains. (R)

  2. Sun 13 Sep 2026 00:25
    BBC Four

    Episode 2

    2/2 Steve ventures deep within a tepui, inside a newly discovered cave. (R)

  3. Mon 14 Sep 2026 02:55
    BBC Four

    Episode 2

    2/2 Steve ventures deep within a tepui, inside a newly discovered cave. (R)