Game 1: Jim McClellen - ""Hippopotamus Trainer"" (at Jungleland in Thousand Oaks, CA; he teaches them simple tricks such as sitting and lying down) Game 2: Miss Brenda Berlin - ""Fingerprint Examiner for Ontario Police Department"" (she has been a technician for 2 months; from Toronto, Ontario, Canada) Game 3: The McGuire Sisters (as Mystery Guest Trio) Game 4: Gordon Tallman - ""Makes Golf Tees"" (for the Bullard Lumber Company; from Hyde Park, UT)
| Name | Type | Role | |
|---|---|---|---|
| The McGuire Sisters | Guest Star |