A Pup Named Scooby-Doo - Season 3 - Eps 1: Night of the Boogey Biker
Fed up with Freddy always blaming Red Herring for each mystery, the gang orders him to try to survive with out blaming Red Herring for each crime.
About A Pup Named Scooby-Doo

Title: A Pup Named Scooby-Doo
First Air Date: 1988-09-10
Last Air Date: 1991-08-17
Status: Ended
Rating: 7.6/10 (from 275 votes)
Language: EN
Seasons: 4
Total Episodes: 30
Network: ABC
Genres: Animation, Mystery, Comedy, Family, Kids
Production Companies: Hanna-Barbera Productions
Synopsis
The world's favorite chicken-hearted canine, as a puppy? That's right! And the old gang is back with him. Shaggy, Daphne, Velma, and Freddy are all here as gangly kids — goofing off, solving kid-size mysteries, and having run-ins with ghouls, ghosts, and goblins.
Cast

Don Messick
Scooby-Doo (voice)

Casey Kasem
Shaggy Rogers (voice)

Carl Steven
Fred Jones (voice)

Kellie Martin
Daphne Blake (voice)

Christina Lange
Velma Dinkley (voice)

Scott Menville
Red Herring (voice)