Two And A Half Men: Season 4, Episode 20

4 - 20: Aunt Myra Doesn't Pee a Lot

Judith's and Herb's wedding is taking place soon, and Alan is looking forward to it; Charlie and Herb's sister, Myra, continue their relationship, much to Alan and Judith's dismay; Alan meets a female at Judith's wedding, who is Herb's ex-fianc