Joe Marler has been confirmed to be joining the BBC’s Gladiators as the show’s first-ever Celebrity Gladiator. Gladiators season 4 is currently filming in Sheffield ahead of a release in 2027. Before Marler makes his debut in Gladiators season 4, fans are set to be treated to a one-off celebrity special later this year. Add Gladiators to your watchlist on the Radio Times: What to Watch app – download now for daily TV recommendations, features and more. For more TV recommendations and reviews listen to The Radio Times Podcast.