In-N-Out Burger is a popular fast food restaurant chain primarily located in the western United States, with the majority of restaurants located in California. The chain was founded in 1948 by Harry and Esther Snyder, and ownership has remained in their family, currently being presided by their granddaughter Lyndsi Snyder.
During The Muppet Show Live, Mahna Mahna, while performing "Mah Na Mah Na," leaves the theater and rides around Hollywood and drives through the establishment and is seen with a drink and order of fries, before calling Kermit the Frog and finishing the song.