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, 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.