Janice of the Muppet band, Dr. Teeth & the Electric Mayhem, performs during the 2016 Outside Lands Music And Arts Festival at Golden Gate Park on Aug. 7, 2016 in San Francisco.

Saturday’s Outside Lands Festival had one of the odder surprise appearances of the season: Dr. Teeth and the Electric Mayhem, the long-running Muppets band. Over 40 years after their Muppet Show ...

Lips plays with Dr. Teeth and The Electric Mayhem during a performance at Outside Lands music festival in Golden Gate Park in San Francisco, California, on Sunday, August 7, 2016.

Dr. Teeth & The Electric Mayhem made their first-ever live festival appearance at San Francisco’s Outside Lands today. The Muppets’ Dr. Teeth, Animal, Janice, Floyd Pepper, Zoot, and Lips ...

Dr. Teeth & The Electric Mayhem made their first televised appearance on the pilot of The Muppet Show in 1975, and now, nearly a half-century after their on-screen debut, the musical Muppet band ...

Dr. Teeth and the Electric Mayhem, or just "Electric Mayhem" as they're often known, is a rock band made up of resident musicians of the Muppet Theatre.

Dr. Teeth and the Electric Mayhem are rocking together again in “The Muppets Mayhem.” From left: Zoot, Dr. Teeth, Floyd Pepper, Animal, Janice and Lips.

Dr. Teeth and the Electric Mayhem made their official debut in 1975’s The Muppet Show: Sex and Violence, one of two pilots produced by Jim Henson for what eventually became The Muppet Show ...

Dr. Teeth and the Electric Mayhem isn’t the first Muppets-related project to reach the charts — “Rubber Duckie” peaked at #16 on the Hot 100, while “Rainbow Connection” reached a high ...

The Mayhem consisted of five members, all loosely based on real-life musicians. Fittingly, Muppet creator Jim Henson voiced the Mayhem’s lead singer, Dr. Teeth.

Today, Disney announced its plans to produce The Muppets Mayhem, a new show from The Goldbergs creator Adam F. Goldberg, starring Canadian Lilly Singh alongside Dr. Teeth and the Electric Mayhem ...

The Muppets Mayhem begins with a rather brilliant idea: Center a comedy series on the chaotic but charismatic band Dr. Teeth and the Electric Mayhem. Since debuting on the pilot of The Muppet Show ...