"Shake Your Booty" is the eight episode of Best Friends Whenever. It aired in September 20, 2015.


Cyd and Shelby discover a major clue to the future lab memory and it is somehow tied to Barry's science idol, Janet Smythe, who also employs Shelby's dad. They follow Mr. Marcus into Globo-Digi-Dyne to find out if he is involved in the future lab.