Billy on the Street

Olivia Wilde takes on NYC with Billy for "Olivia Wilde is Very Pretty". Other games include "Humpty Dumpty or Mary J. Blige" and "You Can't Do That on TV: Adele Edition".

Lena Dunham joins Billy on the streets for "Steve Harvey or Harvey Milk", "HBO Girls or Berenstain Bears". They even pair up for a special round of "Cash Cow". Billy also plays "Tyler Perry or Art" and "Screaming Tweets".

Billy and Neil Patrick Harris play a round of "How I Met Your Mother: Lightning Round" and "Racist or Vegetarian?" Lindsay Lohan later joins Billy for "How I Destroyed Your Mother".

Billy and Seth Meyers play "Would Lena Dunham F*** that Cartoon Character". Billy also plays "The Vaginal Four".

Paul Rudd joins Billy to play "Would You Have Sex With Paul Rudd", "Clueless or Childless" and "Would This Disappoint Bill Cosby?" Other games include "For A Dollar" and "Where Does this Stephen King Novel Take Place?"

Joel McHale hits the streets with Billy to play the "Mo'lympics". Also in this episode, Billy plays "Easter Bunny Lightning Round" and "Buzz Feed List or Schindler's List".

Amy Poehler joins Billy for a special round of "That's not Pitbull, It's Amy Poehler!" and "Chipmunk or Huxtable". Billy also plays "Hope for Haiti or Jumanji".

Billy and Patton Oswalt team up to play "Does Shakira Know About This?". Billy also plays "Queen Latifah or Brave Person?", "Thanks for Sharing, Adam Levine" and the "Meryl-Go-Round" obstacle course.

Sean Hayes joins Billy to play "Uninterested or Uncircumcised?" and "Who's the Most Famous Person on Sean Hayes' Phone?" Olivia Wilde returns to play "John Mayer or Pepé Le Pew?", and Billy plays "Actress Potato Head".

Nick Offerman joins Billy to play "Is This Adorable?" Other games include "Lana del Race For The Cure", "She's Talented or She Seems Nice?" and a special round of "For a Dollar".