When an NCIS agent turns up dead and Kasie goes unaccounted for, the team must work quickly to find the killer.

The Enterprise collides with a black hole and is thrown back to Earth in the 20th century, where they must find a way back and erase any trace of their presence. Matters become complicated when they rescue an Air Force pilot and cannot return him without changing history…but if he disappears that will change history as well.

A local motorcycle club seeks McCall and the team’s help in keeping a member out of prison by proving the illegal guns found in his van were planted. Meanwhile, Delilah’s father, Miles, insists on knowing the truth about McCall’s work.

Kirk and Spock encounter an alien named Lazarus who claims to be from an anti-matter universe.

Ben and Addison find themselves in San Francisco during the historic 1989 earthquake. As the city continues to crumble with aftershocks, Ben must try to mend a family in chaos as Jenn and Ian search for clues to an unsettling mystery.

In the wake of Pied Piper’s clickfarm scandal, the guys struggle to find funding for Pied Piper’s video-chat app to keep up with their rapidly growing user base. Erlich faces resistance from Big Head’s dad, while Gavin balks after Jack steps on his toes at Hooli. Having a hard time adjusting to his company’s pivot, Richard gets sage advice from an unexpected source, leading him to a big idea that could change his future.

Board a virtual space ship to travel along with a variety of comets; long and short period, sun grazers, comets masquerading as asteroids and comets still in deep freeze in the Oort cloud. Then ride along on the NASA probes that visited nearby comets.

When three masked assailants invade a home and murder an entire family, including a pregnant woman, the CSIs are called to the scene to investigate. Catherine leads the team through the emotional case, which intensifies her own longing to reconnect with her estranged daughter, Lindsey.

The NCIS team investigates the death of a Navy sailor and goes head-to-head with a ruthless local criminal organization. Also, Lucy looks for a new apartment.