Season
- Season 40 2024-08-14
- Season 39 2023-10-25
- Season 38 2022-10-12
- Season 37 2021-08-11
- Season 36 2020-12-09
- Season 35 2020-04-01
- Season 34 2019-08-28
- Season 33 2019-02-06
- Season 32 2018-07-10
- Season 31 2018-01-02
- Season 30 2017-07-18
- Season 29 2017-02-07
- Season 28 2016-05-04
- Season 27 2015-12-02
- Season 26 2015-01-06
- Season 25 2014-04-10
- Season 24 2013-07-10
- Season 23 2012-09-19
- Season 22 2012-01-25
- Season 21 2011-06-22
- Season 20 2010-10-06
- Season 19 2010-04-07
- Season 18 2009-09-30
- Season 17 2009-04-08
- Season 16 2008-09-16
- Season 15 2008-01-23
- Season 14 2007-04-10
- Season 13 2006-10-12
- Season 12 2006-05-29
- Season 11 2005-12-05
- Season 10 2005-03-07
- Season 9 2004-10-04
- Season 8 2004-02-02
- Season 7 2003-09-29
- Season 6 2003-01-06
- Season 5 2002-02-04
- Season 4 2001-01-09
- Season 3 2000-01-17
- Season 2 1998-11-09
- Season 1 1998-04-20
- Season 0 2014-12-30
Episode
- Episode 1: Gimmie Shelter
- Episode 2: Skeletal Fracture
- Episode 3: Helter Shelter
- Episode 4: Four Tickets To Paradise
- Episode 5: Underdog Eat Underdog World
- Episode 6: The Mile-High Club
- Episode 7: Achy Breaky Heart
- Episode 8: A Low Down Dirty Shane
- Episode 9: An Officer and a Gentlewoman
- Episode 10: Go Your Own Way
- Episode 11: The Bloodbath
- Episode 12: Caged
- Episode 13: A River of Endless Light
- Episode 14: Math Is Hard
- Episode 15: The True Champions
- Episode 16: Reunion
The Challenge Invasion of the Champions Underdog Eat Underdog World
7.3/10 users Each Challenge pits numerous cast members from past seasons of reality shows against each other, dividing them into two separate teams according to different criteria, such as gender, which show they first appeared on, whether or not they're veterans or rookies on the show, etc. The two teams compete in numerous missions in order to win prizes and advance in the overall game.
