Cartoons/Series Nostalgia on Instagram: "Scooby-Doo and Scrappy-Doo first aired in 1979 as a fresh spin on the classic Scooby-Doo formula. The big change? Introducing Scrappy-Doo, Scooby’s tiny, fearless nephew! While Scooby and Shaggy were famously scaredy-cats when it came to ghosts and monsters, Scrappy was the total opposite loud, brave, and always ready to throw punches with his catchphrase: "Let me at 'em!" The arrival of Scrappy shook up the dynamic of the Mystery Inc. gang. The early epi