Vice President Biden visits Leslie and the gang on Parks and Recreation. "Leslie vs. April" is the seventh episode of the show's fifth season.
Added:

Parks and Recreation Season 5 Episode 7 Quotes

[to Joe Biden] You're my...my name just came out of your mouth!

Leslie

Leslie: 2020.
Ben: Uh. that's a stretch.
Leslie: Fine. 2024. I take the West Wing, you take the East. You can be the First Gentleman.