Description:  Scooby-Doo and Scrappy-Doo is an animated series featuring Scooby's brave and energetic nephew, Scrappy, joining the original mystery-solving gang. Introduced to boost ratings, the show's premise involved Scrappy confronting villains head-on, often getting the gang into trouble, and declaring "Puppy Power!" to contrast with his cowardly uncle, Scooby. The series aired in several formats, sometimes featuring the original gang and sometimes focusing just on the trio of Scooby, Shaggy, and Scrappy.

Scrappy's role: Scrappy-Doo, Scooby's nephew, was introduced as a courageous and feisty puppy who would charge into danger, a direct contrast to Scooby's cowardly nature.

Catchphrase: His catchphrase was "Puppy Power!".

Plot dynamic: The humor often came from Scrappy's recklessness, as he would charge at a villain while Shaggy and Scooby would try to drag him away from danger.

Series formats: The "Scooby-Doo and Scrappy-Doo" title was used for various series, including a 1979 version with the full gang and subsequent shows that focused more on the trio of Scooby, Shaggy, and Scrappy, sometimes with a different format and with or without Daphne.