Scooby-Doo and Scrappy-Doo (TV Series)

When You Wish Upon a Star Creature (1979)

Casey Kasem: Shaggy

Quotes 

• Shaggy : [Thinking they've discovered the Star Creature, Scrappy rushes in to capture the villain... while his teenage masters look on]  ... Scrappy! Oh, no; it'll be awful for him!

  Daphne : Right; poor Scrappy!

  Shaggy : No, I meant for the Star Creature!

  Scrappy-Doo : ...I got 'em! Oh boy, oh boy; Scrappy-Doo always gets his...

  [notices he's apprehended the wrong suspect] 

  Scrappy-Doo : ... Ah - good evening, sir! Er, does the name "Star Creature" ring a bell?