Mike Rock

Claire and Haley have a bit of quality girl time while they're stuck at home sick, and Phil is preoccupied by the taunts of a chirping smoke detector. Gloria and Manny's surprise visit at Jay's work leads to headaches for Jay, and Cameron gets swept up by all the lights and cameras when he goes behind Mitchell's back and takes Lily for a commercial.

When a mathematical genius is shot dead by a person dressed as a clown, the agents discover that the victim's work on a computer hacking device may have led to his murder.

Beverly plans a birthday sleepover for Adam, but things go awry when a friend brings his dad's home-brewed beer and gets everyone sick. Meanwhile, Murray promises Erica and Barry a new CD player on the condition that they write the greatest song ever.

A new HMO restriction on individual therapy forces Monk to join one of Dr Bell's groups just as its members are being murdered.