The following is a list of official guest appearances (whether canon or not) in other productions produced by Hanna-Barbera and later Warner Bros. Animation


Looney Tunes: Back in Action

The LEGO Movie 2: The Second Part

  • A LEGO version of Velma had a brief cameo, in which she only had a single line. She was voiced by Trisha Gum.


Duck Dodgers

Dynomutt, Dog Wonder

The Grim Adventures of Billy & Mandy

  • Scooby-Doo appeared twice in The Grim Adventures of Billy and Mandy, in the episodes Reap Walking and Keeper of the Reaper, the former was a non-speaking cameo with the rest of the gang, while the latter he was voiced by Welker.

Johnny Bravo

  • The gang were guest stars in Bravo Dooby-Doo. Welker, Kasem, and North reprised their roles as Fred, Shaggy, and Daphne, respectively. While new actors B.J. Ward and Hadley Kay were hired for Velma and Scooby, respectively. Kay then reprised the role for a Scooby cameo in 'Twas the Night.

Harvey Birdman, Attorney at Law

Batman: The Brave and the Bold

Sabrina the Teenage Witch (live-action)

  • In Sabrina Unplugged, when Sabrina is caught by the office webcam using her powers, she magically enters Leonard's computer to destroy the evidence and meets up with Shaggy and Scooby (voiced by Innes and Welker, respectively). He asks her if she can get them off as a screensaver, as they're embarrassed. Both shows aired on The WB at the time.


OK K.O.! Let's Be Heroes

Teen Titans Go!

  • The gang are guest stars in the episode Cartoon Feud. The cast is Welker as Scooby and Fred, Lillard as Shaggy, Griffin as Daphne, and Micucci as Velma.


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