Pharrell Re-Enacts, Praises '80s Sitcom Intros With Jimmy Fallon: Watch

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Pharrell Williams performs as part of Apple Music Festival at The Roundhouse on September 26, 2015 in London, England.

Pharrell and Jimmy Fallon spent some time reminiscing over the 1980s on The Tonight Show Thursday -- specifically the era's television theme songs. 

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First off, the producer, rapper, singer and mogul showed some campy poses like those from TV intros during the time. And he went on to praise the Knight Rider theme song as one of his favorites. 

From there, conversation turned to the sort of stink faces one would make while playing those slick riffs, or while dancing along. "The funny thing is, the '70s and '80s were like that," he said. "It was a very different thing. You weren’t worried about how you looked or how you came off... You made a face. The face helped convey how you were feeling about the song."

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Pharrell also made the ace suggestion that the Roots' brilliant drummer Questlove get his own Siri-like almanac music app with his voice. 

Watch it here: