Yes! Shaggy has been shown wearing a red shirt and blue jeans in four 1980s Scooby-Doo productions: the Saturday morning series The 13 Ghosts of Scooby-Doo and three TV movies: Scooby-Doo Meets the Boo Brothers, Scooby-Doo and the Ghoul School, and Scooby-Doo and the Reluctant Werewolf.
In Scooby-Doo and the Cyber Chase, Shaggy's double wears the red shirt and blue jeans that the character wore in the 1980s.
Visit the official Scooby-Doo site to play free Scooby-Doo games, watch TV episode clips and solve mysteries with the gang.
Of interest, discover 13 Fun Facts About ‘Scooby-Doo’ shared by Mental Floss.