The Challenge Season 40 Trailer Teases High-Stakes Competition and Shocking Injuries

The 'Battle of the Eras' features veteran contestants facing intense challenges and unexpected twists.

CT Tamburello is seen being carried off on a stretcher after a back injury.
The season includes four teams based on the contestants' debut seasons.
Players must first compete in the 'Era Invitational' to secure their spots on their teams.
The trailer shows a mix of returning favorites and long-absent contestants.
The season premieres on August 14 at 8 p.m. ET on MTV.