Rodney To

Claire has overdone it in Halloweens past and the neighbors definitely don't share her enthusiasm, so this year she's being forced to tone it down and keep it "kid-friendly," and Phil has an idea to hold an open house on Halloween night. Meanwhile, Mitch and Cam host a costume party while contending with Lily wondering who her real mom is, and Gloria's pregnancy hormones are on overdrive, making her even more hotheaded than usual.

Jess panics when her sister, Abby, decides to stay in Los Angeles and sets her eyes on one of the loftmates. Meanwhile, Winston procrastinates about checking his test results for the LAPD entrance exam.

Tori and Jade act as a married couple, testing their friendship; Cat and Robbie start a bad news delivery service.

A petty officer is found murdered on a golf course; McGee tries to locate a key witness by spending hours on the victim's ham radio; Palmer asks his co-workers to donate to a charity.

Gamby tries to impress Amanda while on a field trip organized by the history teacher, Mr. Hayden.