What to do when a sexy nurse suggests a threesome with you and your friend? Would you be prepared? How would you handle it? On the most recent episode of 'Accidentally on Purpose' (Wed., 8:30PM ET on CBS), guest star Olivia Munn appears as Nicole, a nurse hired to help out Billie (Jenna Elfman). But Munn has more than nursing on her mind. "So do you guys want to do a three-way?" she says to Davis and Ryan (Nicolas Wright and Pooch Hall). And now, Billie's two male friends have a difficult decision on their hands.

Watch the video after the jump.What to do when a sexy nurse suggests a threesome with you and your friend? Would you be prepared? How would you handle it? On the most recent episode of 'Accidentally on Purpose' (Wed., 8:30PM ET on CBS), guest star Olivia Munn appears as Nicole, a nurse hired to help out Billie (Jenna Elfman). But Munn has more than nursing on her mind. "So do you guys want to do a three-way?" she says to Davis and Ryan (Nicolas Wright and Pooch Hall). And now, Billie's two male friends have a difficult decision on their hands.

Ryan immediately does a spit-take. "Whoa," he says. "Now are you talking about you having sex with the both of us at the same time?" "Yes," says Munn. Well, that's pretty much the definition of a threesome. But sometimes, it's good to nail these things down.