Henry Winkler Crashes Jimmy Kimmel's Belly-Flop Competition

The annual event attracted all shapes and sizes — but the biggest splash was unmistakable.

Jimmy Kimmel Live” hosted its annual belly-flop competition on Tuesday, inviting pedestrians to take the plunge in a pool set up behind the studio.

Many contestants appeared to lack the fundamentals ― namely, it helps to land belly first.

But one guy we will not name to avoid spoilers truly deserved the high scores he received from the judges ― “Nailed It!” host Nicole Byer, Winter Olympics gold medalist Shaun White and drag queen Trixie Mattel.

Actor Henry Winkler later made a surprise jump, but did the TV legend show enough clout in the pool?

Watch above and find out.