Johnny Knoxville is back for a walk in the park the amusement park.

And actually, its more of a wipeout than a walk.

TheJackassringleader stars as D.C.

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Coco Van Oppens/Paramount Pictures

This was pre-class-action-lawsuit times.

The movie was filmed in the spirit of his old prank-n-stunt franchise but with a plot.

I looked at it from the beginning as ifJackasshad its own theme park, he says.

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Coco Van Oppens/Paramount Pictures

Its just that poorly conceived and poorly run.

I definitely suffered the most injuries on one film, he says without shame.

A gag intended to leave the audience in figurative stitches left Knoxville in literal ones.

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Coco Van Oppens/Paramount Pictures

It really knocked the hell out of me, he says.

The only thing that broke my fall was my face.

I kept landing on my face and my head in this movie.

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Coco Van Oppens/Paramount Pictures

Kirkby tried to schedule the films stunts around the rubber mans recovery.

Wed do it on a Friday, he says.

Hed go off, get stitches, and then Monday wed finish up the rest of the scene.

(2) EYE, OH MY!I take it you heard about the eye-popping incident?

My memory was almost completely erased for 15 minutes.

He was whisked away in an ambulance, which was parked conveniently nearby.

Im like, Geez, do you have to have the doors open?

Do you have to have it right here?

I knew I was going in the back of that.

I wasnt expecting that, he says, so I pushed it back in real quick.

I called the executive producer and said, Look, youve got to come get me.

My eye just popped out of the socket.

I wasnt allowed to sneeze for six weeks after that.

And I have bad allergies.

(There were four in total.)

Id written that thinking I was going to be standing on dirt, he says.

Adds Kirby: It was terrifying because it looked so gnarly, but he was great.

He just rolled on his back, laughed, got up and went off to the hospital.

(4) A BARNSTORMING ADVENTURED.C.

lives nearby in an Old West saloon, where he toils on his wild inventions.

We had the camera on the barn door, and it shows me coming, says Knoxville.

It looks like we sped up the footage, but nope.

Not surprisingly, the stunt came at a costin the form of a 50-cent-piece-sized bald spot, he notes.

I had scalped myself on the barn doors on impact.

(5) TREE TRAUMAWhat happens when D.C. is chased up a tree by a bear?

(6) A BALLER MOVED.C.

A couple of the extras got hit in the face, reports Kirkby.

Adds Knoxville: It felt like a baseball hitting you.

I took one to the head and saw stars.

Everyone got lit up by it.

You should also know that the sign advertising Schlittenfart became the, um, butt of a joke.

Unfortunately, he over-rotated, putting the bar at face-level.

I landed on my head, and the bar hit me right in the mouth, he reports.

It knocked out two of my teeth and pushed one way back into my skull.