When they try to take a picnic cruise, the gang and the Harlem Globetrotters, get tricked into going to Haunted Island. They soon run into a mystery and it's keeping everyone awake.
| Name | Type | Role | |
|---|---|---|---|
| Robert DoQui | Guest Star | ||
| Eddie Anderson | Guest Star | ||
| Richard Elkins | Guest Star | ||
| Stu Gilliam | Guest Star | ||
| Johnny Williams | Guest Star | ||
| Scatman Crothers | Guest Star | ||
| Sidney Morse | Director | ||
| Tom Dagenais | Director | ||
| William Hanna | Director | ||
| Norman Maurer | Director | ||
| Joseph Barbera | Director | ||
| Larz Bourne | Director | ||
| Jack Mendelsohn | Director | ||
| Woody Kling | Director |