Fred finds a love letter to Wilma, coming to the conclusion that she's cheating on him, so he sends out a private investigator to find out who. If only he could remember that it was his old love letter to her from when they were teens...
Insert details here.
- Betty Rubble
- Wilma Flintstone
- Fred Flintstone
- Barney Rubble
- Dino (no lines)
- Mr. Slagheap (only appearance)
- Bartender (only appearance)
- Perry Gunite (only appearance)
- Brigette (only appearance)
- Knuckles Stickazora (only appearance)
- Knuckles Stickazora's henchmen (only appearance; no lines)
- Cab driver (only appearance)
- Roller skates
- Fred's watch
- Barney's car
- Fred's car
- Perry Gunite's car
|Alan Reed||Fred Flintstone|
|Jean Vander Pyl||Wilma Flintstone|
|Mel Blanc|| Barney Rubble|
|Bea Benaderet|| Betty Rubble|
|John Stephenson|| Mr. Slagheap|
- It isn't specified if Boulder High is actually in Bedrock or not (although The Flintstone Kids depicted them all living in Bedrock as kids).
- Even though Fred is said to have gone to Boulder High in this episode, he had previously mentioned he went to Rockville Center High School in "Hot Lips Hannigan".