Scooby-Doo and Scrappy-Doo (TV Series)

I Left My Neck in San Francisco (1979)

Lennie Weinrib: Scrappy-Doo

Quotes 

• Scrappy-Doo : [upon capturing the wrong suspect - again]  ... I got her! I got our vampire!

  Velma : Nice try, Scrappy; but that's Jack!

  Scrappy-Doo : [realizing his mistake]  Oh, yeah. Well, it couldn't hurt to check... I guess you're right; not a fang on him.