'I can't put my family through that': Johnny Knoxville talks 'Jackass 4,' going to therapy

Rasha Ali

"Jackass 4" may be Johnny Knoxville's last endeavor with the franchise — one that came with a toll to his physical and mental health.

"I can't afford to have any more concussions," Knoxville, 50, told GQ in an interview published Tuesday. “I can't put my family through that.”

Since 2000 when the MTV slapstick comedy series premiered as a TV show first, Knoxville has experienced four concussions, vertigo, broken bones and lost some teeth among other injuries.

Knoxville and the gang – Bam Margera, Steve-O, Chris Pontius, Dave England and others – have also put their bodies through it for the franchise.

Because of that, Knoxville didn't expect to film "Jackass 4." Even Steve-O told GQ that every movie the group made was always "declared as the last one."

Still, "Jackass 4" is set to release Oct. 22, but it really could be it for Knoxville.

Johnny Knoxville left, is Irving Zisman and Jackson Nicoll is Billy in 'Jackass Presents: Bad Grandpa.'

“You can only take so many chances before something irreversible happens,” Knoxville said. “I feel like I've been extremely lucky to take the chances I've taken and still be walking around.”

Aside from the physical toll the series has put on the "Bad Grandpa" star over the past 21 years, there were emotional downfalls. After he entered his relationship with his wife, Naomi, Knoxville started going to therapy because he realized he couldn't live like his old self and still continue the relationship, he told GQ.

There was one topic that was off limits in therapy: why he did the stunts he did. He said he would explore it eventually, but he didn't want to "break the machine."

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Knoxville also reflected on his castmates' struggles with addiction and the death of Ryan Dunn in a drunken driving accident in 2011.

“It was heartbreaking, losing Ryan. And it was tough when Steve-O was going off the rails. But he has completely, completely turned his life around and is doing just – I mean, he's doing terrific. He's a different, different man," Knoxville said.

Knoxville said he doesn't blame the reality series for anything, noting that each person is "responsible for his own actions," and that as friends they all tried to help one another when one was going through anything.

“We want Bam to be happy and healthy and get the help he needs,” he said. “We tried to push that along. I think that's all I really want to say about it."

Margera will no longer be taking part in this upcoming franchise installment after breaking his contract, which required him to attend rehab. 

“I don't want to get into public back-and-forth with Bam,” Knoxville said. “I just want him to get better."

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