The Challenge: Vendettas is the thirty-first season of MTV reality competition series, The Challenge. The official trailer was shown during the special mini-series Champs vs. Stars. For the first time, this season featured alumni from the US version of Big Brother, and the UK TV shows Ex on the Beach and Geordie Shore, competing with alumni from the regular shows of The Real World, Road Rules, The Challenge, and Are You the One?. For the first time ever, there was only one winner.

The Challenge XXX: Dirty 30 is the thirtieth season of the MTV reality competition series, The Challenge. It was filmed in Colombia during May and June 2017, with alumni from The Real World, Road Rules, The Challenge, and Are You the One? competing. Jonathan Murray, Gil Goldschein, Scott Freeman, and Fred Birckhead were the executive producers, with Ryan Smith and Danny Wascou serving as co-executive producers.