Season 7: Episode 3 - Cats & Dogs

Cats & Dogs: When Liz decides to have a baby but has trouble finding the right sperm donor, she chooses Russell as a last resort but the prospect of being a father gives him erectile dysfunction when he gets in bed with her. Timmy finds little success following Jeff’s advice to act like an alpha dog to attract his co-worker Charlotte. He then takes Audrey’s suggestion to just be upfront, but his approach inspires Charlotte to express her feelings for someone else instead. Meanwhile, when Adam accidentally ruins the wedding dress Jennifer’s mom mailed to her, he goes to great lengths to repair it only to discover that her mother sent the wrong dress in the first place.