There's a First Time for Everything (John Munch/Brian Cassidy)
When Munch takes his very drunk partner home with him, Brian makes a pass at him.

The Morning After (John Munch/Brian Cassidy)
Sequel to There's a First Time for Everything. Brian confesses his love to his partner after their first time together. John doesn't know how to respond.

Similar Features (Olivia Benson/Casey Novak)
Olivia uses Casey to try to get her mind off her failed relationship with Alex Cabot.

The Lipstick Incident (Non-slash, except for a hint of Olivia Benson/Alex Cabot) (Humour)
Olivia doesn't like the new ADA, and demonstrates that dislike very strongly.