A former resident returns to Eureka and creates mayhem which threatens Global Dynamics, prompting Stark to take action.

Evidence leads the CSIs to believe that someone started a massive fire in the Everglades in order to cover up a murder. Local prisoners are brought in as free manpower…

When the team finds a crashed ship on another planet, their efforts to help the crew effect repairs are hindered by a group of aliens.

An abusive and hot-tempered football coach gains the ability to control and project fire.

Clark learns that John Jones was shot while working as a police officer; Lana tells Tess that Lex isn’t the man she thinks he is, forcing Tess to re-evaluate her…

Sam investigates a case about missing babies whose parents are being murdered. At one of the crime scenes, he discovers a baby that was left behind and calls Dean for…

Sam is mysteriously released from Hell and seeks out his brother, trying to have a normal life. Together the brothers must join forces with their maternal grandfather, Samuel, and begin…

Dexter and Lumen vet and stalk a violent killer; Debra gets into some unexpected trouble from the fallout of the Santa Muerte case