Jon Stewart will be the celebrity guest host of WWE's annual SummerSlam event, which is happening this Sunday at Brooklyn's Barclays Center. USA Today was first to report the appearance, which will be Stewart's first major entertainment gig since his final show as The Daily Show's anchor earlier this month. Stewart has made sporadic appearances on WWE programming in recent months in a storyline that involves the company's current World Heavyweight Champion Seth Rollins.

Stewart is a longtime professional wrestling fan, and WWE will undoubtedly use his high-profile appearance to boost subscriptions to its WWE Network 24/7 streaming service. New subscribers to the service get a free month, so they'll effectively be watching SummerSlam at no cost WWE Network normally runs $9.99 per month and offers access to original shows, live pay-per-views, and the wrestling promotion's massive vault of past programming. WWE's four-hour SummerSlam broadcast starts at 7PM ET on Sunday.

Here is a GIF of Jon Stewart kicking Seth Rollins in the groin: