Part II: Billy reveals the celebrity he's afraid of and Martha reminisces about appearing on 'Family Ties.'

Martha Plimpton dishes on the crazy antics of Cloris Leachman on the 'Raising Hope' set.

Martha Plimpton indulges Andy in a 'Goonies' game and Billy Eichner finds Rachel Dratch on the street in 'Here's What.'

PartI I: Martha reveals her Broadway dream role and Billy talks Broadway on the After Show.

Martha Plimpton talks about collaborating with Amy Poehler on a buzzworthy moment for the Emmys.

Martha Plimpton reveals the starring role that now makes her cringe on PT5.