By Joseph C. Lin
September 26, 2014

Neil deGrasse Tyson, the esteemed astrophysicist and host of Cosmos: A Spacetime Odyssey, can now add “voice actor” to his resume after a recent stint voicing Waddles, a pig, in Disney’s Gravity Falls.

The show follows brother-sister duo Dipper and Mabel Pines on their supernatural misadventures in the fictional town of Gravity Falls, Oregon; Waddles is Mabel’s pet pig.

Neil deGrasse Tyson becomes the voice of Waddles in the upcoming episode, “Little Gift Shop of Horrors,” when the pet pig accidentally eats a bowl of brain-enhancing jelly giving it the mental know-how to create a machine that allows it to talk.

Neil deGrasse Tyson stars as "smart" Waddles in Gravity Falls.
Disney XD

On his experience of voicing a pig, Neil deGrasse Tyson had this to say: “I’m a fan of helping anything get smarter. Even if it’s a pig.”

This episode of Gravity Falls premieres on Saturday, October 4 at 9pm during Disney Channel’s “Monstober” programming event.

Read more: Disney’s Gravity Falls Creator on How to Create a Show for All Ages

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