| The Mystery of Haunted Island | They gang, along with the Harlem Globetrotters get tricked into visiting Haunted Island, where there is another mystery at hand to be solved. | September 8, 1973 |
| The Haunted Showboat | The gang try to fix up a run down showboat with the help of Josie and the Pussycats. Unfortunately their efforts are hampered by some mysterious ghosts. | September 15, 1973 |
| Mystery in Persia | Scooby and the gang, along with Jeannie and Babu (from I dream of Jeannie), are transported to ancient Persia where they have to solve the mystery of an evil Geni | September 22, 1973 |
| The Spirited Spooked Sports Show | Visiting Velma's old high school, the gang meet the coach, Tim Conway, who is at risk of losing his job unless he can rid the school from the haunting of a former athlete. | September 29, 1973 |
| The Exterminator | Working as a bug exterminator, Don Adams is hired to clean the house of an old film director named Lorne Chumley. | October 6, 1973 |
| The Weird Winds of Winona | The gang spend the night in the city of Winona with Speed Buggy and his gang. | October 13, 1973 |
| The Haunted Candy Factory | The gang find a new mystery in Mama Cass Elliot's Candy Factory. | October 20, 1973 |
| The Haunted Carnival | Dick Van Dyke enlists the help of the gang to find out who's scaring away all his carnival customers. | October 27, 1973 |
