Boyle asks Brian for help when a friend of his is accused of murder on Limitless. "Arm-ageddon" is the tenth episode of the show's first season.

Brian makes a deal with Naz to get his own space on Limitless. "Headquarters!" is the ninth episode of the show's first season.

Brian and Rebecca try to clear Nax of funding terrorism on Limitless. "When Pirates Pirate Pirates" is the eighth episode of the show's first season.

The CIA borrows Brian for a black ops mission on Limitless. "Brian Finch's Black Op" is the seventh episode of the show's first season.

Edward Morra wants a high price for another innoculation on Limitless. "Side Effects May Include..." is the sixth episode of the show's first season.

Brian meddles in Rebecca's personal life while learning self-defense from her secret boyfriend on Limitless. "Personality Crisis" is the fifth episode of the show's first season.

Ben is put to the test when he's asked to steal the FBI's secret files on NZT on Limitless. "Page 44" is the fourth episode of the show's first season.

Brian investigates the murder of a retired FBI agent on Limitless. "The Legend of Marcos Ramos" is the third episode of the show's first season.

Brian risks his job when he won't back away from an investigation on Limitless. "Badge! Gun!" is the second episode of the show's first season.

Debra lives! OK, this isn't Dexter, but Jennifer Carpenter is, once again, playing a law enforcement agent. This time she's with the FBI and chasing around Brian Finch when he takes NZT. Watch her as Agent Rebecca Harris on Tuesdays at 10/9c on CBS!

Brian Finch's life takes a dangerous turn thanks to the extraordinary effects of the drug NZT on the season premiere of Limitless.

Limitless is a new drama coming to CBS in fall 2015.