And who is this? She's obviously in law enforcement. If we had to guess we'd say she may be someone from DiNozzo's past but we'll have to wait for NCIS Season 12 Episode 6 to find out.
McGee looks like he's checking out Ellie's hair but what we really want to hear are all of the Grease references DiNozzo is destined to make when he sees this costume.
Vance: Our intel says Sergei survived. Gibbs: What? How? I hit him. He went down. Vance: He got up. No body was recovered. And wherever he is now, knowing all this? There's a good chance he'll be gunning for us. Gibbs: Not if we find him first.