A distress call from Lt. Noonien-Singh compels Spock to disobey orders and take the Enterprise and its crew into disputed space on a rescue mission.

Commander Una Chin-Riley faces court martial, imprisonment and dishonorable discharge from Starfleet.

La'an travels back in time to 21st-century Earth to prevent an attack which will alter humanity's future history.

Returning to a planet that dredges up tragic memories, Captain Pike and his landing party find themselves forgetting everything, including their own identities as he confronts a ghost from his past.

A shuttle accident leads to Spock's Vulcan DNA being removed by aliens, making him fully human and completely unprepared to face T'Pring's family during an important ceremonial dinner.

Uhura seems to be the only one who can hear a strange sound that seems to trigger terrifying hallucinations.

Captain Pike and his crew welcome a Klingon defector aboard the U.S.S. Enterprise, but his presence triggers the revelation of some shocking secrets.

An accident with an experimental quantum probability field causes everyone on the Enterprise to break uncontrollably into song, but the real danger is that the field is expanding & beginning to impact other ships - allies & enemies alike.

When the Enterprise investigates an attack on a colony at the edge of Federation space, Captain Pike and the crew face the return of a formidable enemy.