Time to revisit the Clue Club.
Our 4 sleuths are hunting for a thief who's making some valuable paintings & antiques disappear. See if you can solve "Who's To Blame For The Real Empty Frame?":
Part of the reason this series ultimately failed wasn't because it was a transparent attempt at replacing Scooby-Doo, who'd moved to ABC, but, rather, Woofer (Paul Winchell), whose ego wouldn't allow him to accept the fact that he was wrong all the time. Woofer & Wimper (Jim MacGeorge), in the eyes of network suits, merited being stars themselves, but because production ended, the episodes were, as previously noted, re-edited the following season for Skatebirds to emphasize the comedy relief mutts.