What the Hex Going On? - Page History
Studio: Hanna-Barbera Release Date : January 2, 1966 Series: and Yahooey Yippee, Yappee

3/27/2013

  • New title added by eutychus
  • Credits added by eutychus
  • Characters added by eutychus

Sources

William Denby "Bill" Hanna: Producer
  • Verified by onscreen credits (not always reliable)

Joseph Roland "Joe" Barbera: Producer
  • Verified by onscreen credits (not always reliable)

Charles Dawson "Daws" Butler: Voices
  • Verified by onscreen credits (not always reliable)

Hal Smith: Voices
  • Verified by onscreen credits (not always reliable)

Doug Young: Voices
  • Verified by onscreen credits (not always reliable)