Ep 21. Next of Pin

When Roger discovers his original birth certificate, he learns that he was adopted at an early age and sets out to find his real mother. With Stan's assistance, they trace her back to a small town in upstate New York, where they soon encounter a group of tough biker chicks, led by Lorraine (voiced by Jenny Slate). Meanwhile, Steve enlists the help of his friends Toshi, Snot, and Barry to help him win a game of virtual bowling against his father. But when Roger's quest for his mother leads him to the bowling alley, it sets up a showdown between father and son. Will Roger finally track down his birth mother, and will Steve be able to best his dad on the virtual lanes? Find out in "Next of Pin"!