See the 2018 Yip Yip Invasion here:
https://www.youtube.com/watch?v=m5qkaUnpsq8&t
YipYip Invasion at Phoenix Comicon 2017. A bunch of nerdy friends having silly fun and loving every single second of it!
* © "Sesame Street Theme": written by Joe Raposo, Jon Stone, and Bruce Hart
* © Yip Yips and sounds effects: Sesame Street Workshop
* © Tardis sounds: BBC Radiophonic Workshop's Brian Hodgson
