You can watch clips of the transformation on the Official Bewitched YouTube channel .
In this episode, Serena is babysitting for Samantha and Darrin when Larry Tate, Darrin's boss, drops by. To amuse herself, Serena flirts with him and offers him a magical "Vitamin V" (for "Va-Va-Voom") pill. Larry, ever the opportunist, takes it hoping for a youthful boost to market for millions. The pill works a little too well: [S8E19] Serena's Youth Pill
: He progressively turns into a college student, a teenager, and eventually a young boy. Why It’s a Fan Favorite You can watch clips of the transformation on