The Fonz and the Happy Days Gang (1980)

S3E17 Forget Me Not

Haunted by her recollections of Hope and her previous wrongdoings, Gabrielle seeks solace at the temple of Mnemosyne, the goddess of memory. There, she embarks on a journey through her past, facing the challenge of either coming to terms with her memories or wiping them out entirely. Meanwhile, Joxer is tasked with safeguarding Gabrielle's physical form while her consciousness is elsewhere.