This article contains spoilers for the first season of Big Brother Reindeers Games. Recommended Videos The holidays are officially in full force after Big Brother Reindeer Games crowned its first champion. After Big Brother 25 wrapped in November, nine Big Brother stars returned to the franchise for another shot at earning a six-figure grand prize. They showed up for Reindeer Games, an original CBS spin-off show nothing like its predecessor. Instead of Head of Households, Power of Vetos, and eviction nights, the contestants dueled in a challenge-based game that played out through six festive episodes.