Leonard and Sheldon go to a "High I.Q." sperm bank, but back out while filling out the donation form.Penny moves into apartment 4B and becomes Leonard and Sheldon's new neighbour. Leonard and Sheldon agree that she is an improvement over their old neighbour, Louie/Louise, who, according to Sheldon, was a 200-pound transvestite with a skin condition. Recently featured: Mayim Bialik - The Pants Alternative - The Porkchop Indeterminacy - Judy Greer - Ally Maki