Zoinks! The TMI twosome take a ride in the Mystery Machine as they explore 55 years of Scooby-Doo and his human pals. You'll learn how a misheard Frank Sinatra lyric inspired the name of the titular pooch, the '50s sitcom that helped shape the teen characters, and why Velma has been embraced by the LGBTQ+ community — plus discover the origins of the hated Scrappy Doo character, the behind-the-scenes studio battles that erupted as a result of the big screen version in 2002, and the show's bizarre connection to Charles Manson.  See omnystudio.com/listener for privacy information.