may have gone off the air in 1968, but that hasn't stopped , and remaining curious about all the behind-the-scenes antics.

Yes, that's right, the wholesome '60s classic had plenty of hijinks going on off-camera, mostly at the hands of the show's boss, Andy Griffith.

Here are five fun facts about the show that will inspire you to .

According to , Don Knotts, aka Barney Fife, joined the show with just a single episode contract. His character was reportedly not supposed to be a series regular, however, after the first day, Executive Producer Sheldon Leonard was hooked on the relationship between Knotts and Griffith. So, he offered him a one-year contract which then turned into a five-year contract.

During the show's opening theme song, Ron Howard, known as "Ronny" back then, is seen walking along a lake with Griffith. He picks up a rock and seemingly throws it into the lake, but that's apparently not what really happened. As revealed, when the cast and crew went out to Franklin Canyon in Los Angeles to film the opening credits they asked Howard to throw the rock, but it kept falling short of the lake.

Finally, assistant director Bruce Bilson had a prop man throw a rock at the same time to make that famous splash. Hopefully, Howard's arm has improved since then.

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