A series of freeway car accidents leads to a catastrophic overpass collapse that endangers the lives of civilians and members of the 118.
On the first season finale, Lisbon fears that the serial killer, Red John is drawing Patrick Jane into a trap when the CBI team investigates the murder of a young girl and the abduction of her twin sister.
The residents of Wisteria Lane take stock of their lives after tragedy; Susan grows suspicious of Mike's reasons for moving to the neighborhood; Lynette reaches the breaking point in her addition to the twins' medication.
Looking back at how Chimney joined Station 118 and became the firefighter and paramedic he is today.
House has surprising news for Cuddy; an ailing video game creator opts for treatments suggested by people on the Internet rather than listening to the doctors; Foreman tries to get House's job.