Bamm-Bamm wakes up in the Crags next to a giant crater where the treehouse used to be and with no memory of the night before, now he and Pebbles have to retrace his steps in order to figure out what happened and if they can get their clubhouse back.
|Jessica DiCicco||Pebbles Flintstone|
|Ely Henry||Bamm-Bamm Rubble|
|Jeff Bergman||Fred Flintstone|
|Kevin Michael Richardson||Barney Rubble|
|Tress MacNeille||Wilma Flintstone|
|Grey DeLisle||Betty Rubble|
- The episode title is a play of the word, "amnesia".