JAG - Season 8 Episode 9
When the Bough Breaks

The future of seven seamen hang in the balance due to Lt. Singers recommendation of court martial for all of them following a mishap on the ship. However, Singers career could also be doomed if the father of her unborn child is someone on the Seahawk, and its Harm and Macs job to find out who it is. The problem is, the career-oriented Singer isnt talking, so Harm enlists the help of Lt. Manetti to do some sneaky behind-the-scenes investigating in order discover the identity of the father.