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It’s one of the most iconic episodes of “The Brady Bunch” — the family visits Cincinnati’s Kings Island.

And to celebrate the 40th anniversary of the episode, some of the cast will reunite at the amusement park.

Barry Williams (Greg Brady), Christopher Knight (Peter Brady) and Susan Olsen (Cindy Brady) will appear at the theme park on Sunday, May 19.

According to a post on the park’s Facebook page, they will entertain park guests during four shows of singing, dancing and show anecdotes.

There will also be a meet-and-greet and autograph session.

The episode, called “The Cincinnati Kids,” was filmed at Kings Island from August 20 – 24, 1973. It was the second year the park was open.

Click the above video to watch a scene from the show.

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