A woman becomes stuck inside the deadly La Brea Tar Pits, and Walter is tasked with swimming through the tar to save her before she runs out of oxygen.
While on a mission in the desert, Scorpion encounters exploding shrapnel that severely wounds Cabe, causing the team to try to discover how to freeze his body.
Team Scorpion must save a man on the edge of a sink hole from falling in and stop the sink hole from permanently damaging the water supply of Los Angeles.
Alvez struggles to maintain his objectivity while the team investigates murders that are connected to his time working alongside the DEA and Mexican police.
The BAU is against the clock as they attempt to capture a collection of vigilantes who are behind attacks in Washington, D.C., that occur every 27 minutes.
The team arrives in Portland, Ore., to investigate a disturbing abduction that could have a connection to a couple who was murdered in their home a week before.
A Navy culinary specialist is targeted while visiting her family's restaurant; Brody heads to Washington D.C. to follow up on a lead involving the leak case.
An informant and a disastrous breach in security is discovered when the team works with the Department of Homeland Security to locate 900 pounds of explosives.