Ryan has never liked celebrating his birthday, but when the group plans a scavenger hunt for him, he reluctantly plays along. Meanwhile, Ryan agrees to let Sonia look after Steven after he's undergone a colonoscopy, and Mr. K and Anne bond over their passion for musicals.

Cast: Matthew Perry, Laura Benanti, Sarah Baker, Tonita Castro, John Cho, Bill Cobbs, Brett Gelman, Allison Miller, Seth Morris, Suzy Nakamura, Julie White, Tyler James Williams