Aly Mawji

Lexie watches Zola as Meredith and Derek try to have a night to themselves for Valentine's Day; Callie surprises Arizona with a romantic evening; Ben tries to prove that he knows Bailey better than she thinks.

After a celebratory party at the Hacker Hostel, Richard and Erlich learn that Peter won't pay up until they deliver a viable business plan including slimmed-downed staff. A desperate Richard hires former Belson underling Jared and they set about trying to trim the fat.

Ben attempts to surprise Leslie with a special anniversary gift.

Leslie pairs up the Pawnee Parks employees with their Eagleton counterparts.

Struggling to perform at a lesser level, the guys end up with a product that's more successful than they intended. Erlich discovers he's facing Hacker Hostel competition from a familiar face. Convinced of Pied Piper's threat, Gavin decides to double down on Nucleus.

The guys receive an unexpected response when they decide to release the beta version of Pied Piper. Monica worries about how to deliver criticism. Erlich, on facing financial woes, considers a big decision, and Gavin challenges the Nucleus team to do the impossible.