The Butterscotch Effect

"The Butterscotch Effect" is the sixth episode of Best Friends Whenever. It aired on August 16, 2015.
==Synopsis==
Cyd and Shelby go back to change the past so that Barry can meet his childhood science hero. However, when they return, they realize Barry and Naldo have changed as well and are now terrible rock musicians instead of aspiring scientists.
Category:Best Friends Whenever episodes