This is one of the most well-known and catchy Muppet songs of them all. The sketch didn’t debut on The Muppet Show, but it was performed on the very first episode, and this version remains a classic.

If you went to see the smash new Muppet movie over the weekend, then no doubt you and/or your kids have been singing "Mahna, Mahna" -- do, dooo, de, do, do -- ever since. The song is as infectious -- ...

Happy 50th birthday to that song kids (and many adults) in the 1970's couldn't get out of their heads. You might not even know the song's name, but you know Mahna Mahna when you hear it. The song ...