The Challenge - Season 18 - Eps 1: Wes Side Story
Twenty-eight excited Challenge competitors arrive in exotic Thailand and learn that they will be competing in a brand new Challenge -- The Ruins, where the players will be broken up into two teams: the Champions and the Challengers, while competing for their share of $300,000 to be banked in their own individual bank accounts. One trouble-making player causes chaos for his team when he tries to throw the first challenge. Later, two men and two women enter the Ruins, where they must fight for survival.
About The Challenge

Title: The Challenge
First Air Date: 1998-04-20
Last Air Date: 2025-01-22
Status: Returning Series
Rating: 7.3/10 (from 67 votes)
Language: EN
Seasons: 42
Total Episodes: 626
Network: MTV
Genres: Reality
Production Companies: Bunim/Murray Productions, Dualstar Productions
Synopsis
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.