Gabrielle goes to great lengths to hide her affair; Lynette tries tough love to discipline the twins; Bree and Rex try marriage counselling.
Marshall tells Ted a series of anecdotes about his colleague Jenkins and Ted is surprised to discover that Jenkins is a woman. Lily isn't as jealous as Marshall expects her to be but later changes her mind.
In Providence, a serial killer apparently murdered three people at random. The perpetrator has no specific victim type, but always strikes in crowded places and uses a knife as a murder weapon.
When Richard Lewis finds out he needs a kidney transplant, he finds two friends who match him, leaving them to decide who "gets" to give up their organ.
Michael tries to track down the seal that bit off Buster's hand, and also tries to save his son after his mother takes George-Michael to the Motherboy dinner dance.