Jackass 4: Johnny Knoxville and Steve-O in hospital after just two days of filming

Sign up to our free IndyArts newsletter for all the latest entertainment news and reviews Sign up to our free IndyArts newsletter Sign up to our free IndyArts newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy Johnny Knoxville and Steve-O have been sent to hospital after just two days of filming Jackass 4. The actors and stunt performers, known for their work on previous Jackass films, were reportedly jumping on a full speed treadmill while carrying “band equipment”, including a tuba, when they sustained injuries. Screen Rant report that neither star is seriously injured, and filming on the forthcoming sequel, the first entry in the series since 2010’s Jackass 3D, is expected to resume soon. Jackass star Bam Margera posted about the incident, saying in a video: “It's the second day of filming Jackass already and Steve-O and Knoxville were hospitalised by jumping on a full-speed treadmill with band equipment - like a f***ing tuba.” “So yeah, I'm here are the clinic now, taking a p*** test.