John Prosky

The Cranes visit Lilith and Frederick in Boston for Thanksgiving.

A body is found covered in scratches, leading the BAU to believe that the person responsible has a chronic skin disorder.

Dr. House shows special interest in a schizophrenic with deep-vein thrombosis and her teenage son, who is her primary caregiver.

After a doctor is found dead at a golf course, the CBI team searches for a killer amongst a hospital’s staff and patients. Meanwhile, when LaRoche is placed in charge of the CBI, his first act of business is to name Cho the new team leader.

Bill's fate lies in Lorena's hands; Tara tries to stave off Franklin's advances.

When Veronica takes the apparently easy case of finding the person who maliciously ran over a senior's dog, she uncovers some startling facts. Meanwhile, she is so desperate for a geek's help breaking into the principal's office that she persuades Mac (recurring guest star TINA MAJORINO) to go to the prom with him. Also, Jackie catches Veronica off guard when she asks for her help getting a job at the coffee place.