The Mystic Knights of Tir Na Nog

Season 1, Episode 20

Episode Title: Eye of the Beholder

Air Date: 1998-11-07

Overview:

On an errand for Cathbad, Deirde drinks from a magic pool that turns her into a hag. When she goes to Fin Varra for help, he's taken by her new appearance and shrinks her down to be with him.