Ryan Alosio

An Alzheimer's patient visits Princeton Plainsboro as part of a hospital sanctioned drug trial, but when he inexplicably suffers from violent vomiting and an increasingly explosive temper, the team begins to unravel a deeper marriage conflict between the patient and his dutiful wife. Meanwhile, House and Foreman butt heads, and Wilson treats a patient who claims to be in a chaste marriage. Also available on Amazon Instant Video

Melinda's father comes back into her life, and she must solve the mystery of where he's been and how it relates to a young ghost who won't cross over. Also available on iTunes, Amazon Instant Video and VUDU

With help from a homeless man, the investigators search an abandoned tunnel system beneath Washington, hoping to solve the murder of a filmmaker. Also available on iTunes, Amazon Instant Video and VUDU

Danny and Stella find innovative ways to process a crime scene while Danny is trapped in a panic room with the victim, who was the only person with the security code. As a locksmith works to cut through the titanium doors, the CSIs rush to process the evidence before the victim decays further and Danny's oxygen runs out. Meanwhile, Mac, Dr. Hawkes and Lindsay investigate the murder of an exotic dancer found dead on a klieg light.