If you think The Challenge: All Stars is going to take it easy on some of the players returning to the game for the first time in more than a decade, think again.

The new series, featuring fan-favorite competitors like Mark Long, Derrick Kosinski, Ruthie Alcaide and Katie Doyle and premiering Thursday on Paramount+ (but you can watch the first five minutes right now, above!), is setting out to prove that the old guard of Challenge regulars are still ready to battle it out in mental and physical competitions — especially when $500,000 is on the line.