Marcus Chait

When a naval commander is murdered, an old friend contacts Gibbs; his friend, now a senator, believes he's being framed because of his connection with the commander.

A man (Zeljko Ivanek) willing to kill or die for a diagnosis takes House, Thirteen and a number of patients hostage in Cuddy's office, where House tries to come up with the correct diagnosis.

The Charmed Ones do not realize that baby Wyatt's new imaginary friend is actually the demon Vicus, who is trying to win Wyatt's trust to convert him to evil.

When an unidentified body is found inside a crushed car, the team must extract the bones to identify the victim and find the killer.

The investigation of two teens leads Don and his team to a counterfeiting ring.

Don fears he has sent the wrong person to jail when new information arises in an old case, so Charlie looks at the evidence but finds some flaws.