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Aired summer 2025 · Vets paired against New Threats

Vets & New Threats

Sixteen returning Vets paired against sixteen New Threats drawn from outside the franchise's usual pool — Survivor, Big Brother, Love Island, and more. A season-long points system decides who locks in a partner, filmed across Santiago and the Andes Mountains, Chile.

Filmed
Santiago and the Andes Mountains, Chile
The season opens in Santiago, then shifts to Andes altitude by episode 14
Premiered
Jul 30, 2025
MTV · summer 2025
Episodes
21
Format
Points → Lock In → Claim
duos evolve into fixed and contested pairs
Cast size
32 players
16 Vets, 16 New Threats
Host
TJ Lavin
TJ Lavin, twenty-sixth season at the helm
Episode heat
Lock In at ep 9, Stake a Claim heats the back-half
On this page6 sections
  1. 01The take
  2. 02The shape of the season
  3. 03Where it sits in the canon
  4. 04What to watch for
  5. 05Adjacent in the canon
  6. 06Also appears in
01The take

A three-phase pair contest.

Performance Points, a mid-season Lock In, and a late Stake a Claim twist — partner status stays contested from open to close.
02The shape of the season

Thirty-two cast, points-based partner lock-in.

MTV filmed the season across Santiago and the Andes Mountains, Chile, over 21 episodes. A Performance Points system sets partner order, a mid-season Lock In fixes pairs, and a Stake a Claim twist keeps that status contested through the back half — a genuine structural swing for the season's dual-cast format.

03Where it sits in the canon

The #34 slot.

Slot #34 of 41 in the Challenge Editor's Canon. Vets & New Threats sits thirty-fourth on the strength of a genuine rule sequence, not a reskinned trade — the same three-act discipline that separates it from its neighbors. It slots above Battle of the Bloodlines, which solves the same fresh-blood problem through blood relation rather than an open casting draft, and just below Spies, Lies & Allies, whose rookie-infiltration gamble runs longer and lands less cleanly. The New Threats side pulls from outside the franchise's usual pool, the same returnee-era question its neighbors ask, but the pair mechanic's tighter structural spine earns it the higher slot. Santiago and the Andes widen the register further. The canon ranks it new and rising as the format keeps evolving.

No spoilers. Every page is reviewed before it goes live.
04What to watch for

5 moments, no spoilers.

  • Ep 1 · Day Zero launch

    The special that introduces the season's dual-cast setup — sixteen Vets facing sixteen New Threats pulled from outside the franchise's usual casting pool at this scale for the first time.

  • Ep 9 · the Lock In

    The episode where the season's Performance Points tally finally matters — accumulated points set the order for choosing a permanent partner. Watch how the math shapes who pairs with whom.

  • Ep 10 · Stake a Claim opens

    The twist that keeps the Lock In from settling the season — teams can now challenge for a different partner. The room math gets complicated fast.

  • Ep 14 · Andes terrain

    Missions built around the altitude and scale of the Andes Mountains widen the visual register for a cast already adjusting to locked-in or contested partnerships.

  • Ep 19 · final stretch

    The closing run before the two-part reunion. A season built on shifting partner status carries that tension into the final's physical demands.

06Also appears in

Cross-references.