After hitting his head Peter develops amnesia and forgets everything, including his family and his friends. Lois takes extra care of Peter and tries everything to jog his memory until he starts hitting on other women. Having had enough of his antics, Lois takes the kids and leaves.

The girls want to buy new phones, so take a pic of Miley to sell. But they realise it could betray her real identity, so take a picture of The Rock instead.

Alex accidentally causes her art class to be cancelled. Max invents a disease to get out of gym class and famous wrestler turned actor Dwayne 'The Rock' Johnson drops by to cheer him up.