Bar Paly

When Lily and Marshall forget to fix up Ted on a blind date for Valentine's Day, they use one of Barney's many discarded girls to see if they may become Ted's future wife. Meanwhile, Robin's obnoxious colleague invites her to a party at his apartment.

The team goes undercover with Arkady's daughter at a Los Angeles gala.

While in Russia, Callen, Sam and Anna try to break Anna's father and a CIA agent out of prison.

The murder of a Navy machinist sends the team on a citywide hunt for evidence.

Nell and Eric track a husband and wife linked to the hacking of the U.S. Treasury Department.

A maintenance worker with a dark history puts a local teenager in danger.