Gladiators has reportedly lost two more stars as its upcoming season begins filming. The Sun reports that Gladiators Bionic and Athena will not appear in the new season, after they both suffered injuries earlier this year. What to Read NextEarlier this year, it was confirmed that Jamie Bigg aka Giant wouldn't be participating in season four of Gladiators. BBCRelated: Celebrity Traitors star Joe Marler teams up with Prince Harry for special interviewMeanwhile, Celebrity Traitors favourite Joe Marler has been tipped to join the show as a special guest Gladiator, according to another report from . While the fourth season will consist of 11 hour-long episodes, the Celebrity special will be a single hour-long episode.