Season 1 (1969-1970) 1. What a Night for a Knight - September 13, 1969 (The Gang vs the Black Knight) 2. A Clue for Scooby Doo - September 20, 1969 (The Gang vs the Ghost of Captain Cutler) 3. Hassle in the Castle - September 27, 1969 (The Gang vs the Phantom) 4. Mine Your Own Business - October 4, 1969 (The Gang vs the Miner Forty-Niner) 5. Decoy for a Dognapper - October 11, 1969 (The Gang vs the Indian Witch Doctor and the Ghost of Geronimo) 6. What the Hex Going On? - October 18, 1969 (The Gang vs the Ghost of Elias Kingston) 7. Never Ape an Ape Man - October 25, 1969 (The Gang vs the Ape Man) 8. Foul Play in Funland - November 1, 1969 (The Gang vs the Funland Robot) 9. The Backstage Rage - November 8, 1969 (The Gang vs the Phantom Puppeteer) 10. Bedlam in the Big Top - November 15, 1969 (The Gang vs the Ghost Clown) 11. A Gaggle of Galloping Ghosts - November 22, 1969 (The Gang vs Count Dracula, Werewolf, Frankenstein's Monster and the Gypsy Fortune Teller) 12. Scooby Doo and a Mummy, Too - November 29, 1969 (The Gang vs the Mummy of Ankha) 13. Which Witch is Which? - December 6, 1969 (The Gang vs the Witch and a Zombie) 14. Spooky Space Kook - December 13, 1969 (The Gang vs the Space Alient) 15. Go Away Ghost Ship - December 20, 1969 (The Gang vs the Ghost of Redbeard) 16. A Night of Fright is No Delight - January 10, 1970 (The Gang vs the Giggling Green Ghosts) 17. That's Snow Ghost - January 17, 1970 (The Gang vs the Snow Ghost) Season 2 (1970-1971) 1. Nowhere to Hyde - September 12, 1970 (The Gang vs the Ghost of Mr. Hyde) 2. Mystery Mask Mix-Up - September 19, 1970 (The Gang vs the Ghost of Zen Tuo) 3. Jeepers, It's the Creeper - October 3, 1970 (The Gang vs the Creeper) 4. Scooby's Night with a Frozen Fright - September 26, 1970 (The Gang vs the Caveman) 5. Haunted House Hang-Up - October 10, 1970 (The Gang vs the Headless Spectre and the Phony Phantom) 6. A Tiki Scare is No Fair - October 17, 1970 (The Gang vs the Witch Doctor) 7. Who's Afraid of the Big Bad Werewolf - October 24, 1970 (The Gang vs the Ghost of Silas Long/Werewolf) 8. Don't Fool with a Phantom - October 31, 1970 (The Gang vs the Wax Phantom) Season 3 (1978) 1. Watch Out! The Willawaw! - September 9, 1978 (The Gang vs the Willawaw and the Owl Men) 2. A Creepy Tangle in the Bermuda Triangle - September 16, 1978 (The Gang vs the Skeleton Men) 3. A Scary Night With a Snow Beast Fright - September 23, 1978 (The Gang vs the Snow Beast) 4. To Switch a Witch - September 30, 1978 (The Gang vs the Ghost of Melissa Wilcox) 5. The Tar Monster - October 7, 1978 (The Gang vs the Tar Monster) 6. A Highland Fling with a Monstrous Thing - October 13, 1978 (The Gang vs the Ghost of Finnyan McDuff and the Loch Ness Monster) 7. The Creepy Case of Old Iron Face - October 21, 1978 (The Gang vs Old Iron Face) 8. Jeepers, It's the Jaguaro! - October 28, 1978 (The Gang vs El Jaguaro) 9. Make A Beeline Away from That Feline - November 4, 1978 (The Gang vs the Cat Creature) Cast: Don Messick as Scooby-Doo; Casey Kasem as Shaggy Rogers; Frank Welker as Fred Jones; Heather North as Daphne Blake; Nicole Jaffe/Pat Stevens as Velma Dinkle .