KellyAnne Judd

TJ unveils a series of surprising twists as the challengers fight for their share of $500,000; several All Stars spelling skills prove highly questionable, risking their spot in the game.

Host TJ Lavin brings together the decorated Challenge Legends and the Global MVPs from Argentina, Australia, the UK, and the U.S.A. for a groundbreaking and grueling new competition.

Twenty-two Challenge All Stars return for a second chance at the ultimate competition and a $500,000 grand prize.

The fight for $500,000 and the title of Challenge World Champion is on as teams push themselves to their limits across the South African countryside in their most brutal test yet.

The All Stars are desperate to make the Final, but TJ has some twists in store before they get there; an accusation of cheating threatens to derail one All Star's game; the Finalists arrive on a private island to begin the most grueling Final.

The gloves and clothes are off at the muddy "Playing Dirty" challenge; the newly formed Treehouse alliance makes major moves to crush players who stand in their way; a pair of shocking surprises threaten to completely change the game.