A is for Aeon, the timeship piloted by 29th century Captain Braxton during his most notable encounter with Captain Janeway and the USS Voyager. B is for Berlinghoff Rasmussen, a time traveler who came aboard the Enterprise-D, after stealing a time-pod. C is for Correct change, which Kirk and Spock lacked in order to ride the San Francisco transit bus back in 1986. D is for Data's head, which is 500 years older than the rest of his body thanks to time travel. E is for Enterprise, which travelled through time occasionally. F is for Firstborn, the episode in which Alexander Rozhenko travels back in time to change his future. G is for George and Gracie. Two humpback whales from 1986 who were transported three hundred years into the future to save Earth. H is for HMS Bounty, the ship which traveled back in time to get those humpback whales. I is for implosion. Caused by the detonation of red matter. Which leads to the creation of a time-traveling wormhole. J is for Janeway. Captain Kathryn Janeway. The bane of a future Federation timeship captain's existence. K is for Kirk, James T. Who was according to at least one Temporal Agent was a menace with seventeen seperate temporal violations. L is for Lily Sloane, who Captain Picard met while time traveling. M is for Madeleine, who couldn't help but interrupt Dr. Nichols at Plexicorp at a sensitive moment. N is for Nexus, the realm where one's thoughts shape reality and time was not linear, and allowed Kirk to travel to the future with Picard. O is for Orb of Time, used by Arne Darvin in an attempt to kill JTK. P is for Prison Guard. That Kirk overwhelms to escape from a jail cell on Sarpeidon hundreds of years in that planet's past. Q is for Quark, who ended up making an unofficial First Contact between Ferenginar and Earth due to time travel.