Contents 1 Summary 2 References 2.1 Characters 2.2 Starships and vehicles 2.3 Locations 2.4 Races and cultures 2.5 States and organizations 2.6 Other 3 Appendices 3.1 Related Stories 3.2 Timeline 3.3 Images 3.4 External link

SummaryEdit

Investigating a "winking out" of the universe, the Enterprize finds a time traveler Lazarus who is both positive universe insane and negative universe sane. If both Lazarus meet at the same time outside a magnetic corridor between universes it will mean the end of both universes!

ReferencesEdit

CharactersEdit

Barstow • Clifford Brent • Hadley • Harrison • James T. Kirk • Lazarus • Ed Leslie • Charlene Masters • Spock • Nyota Uhura

Starships and vehiclesEdit

USS Enterprise (Constitution-class)

LocationsEdit

Races and culturesEdit

Human • Vulcan

States and organizationsEdit

OtherEdit

AppendicesEdit

Related StoriesEdit

TimelineEdit

published order
Previous episode: Arena	TOS episode produced	Next episode: Tomorrow is Yesterday
Previous episode: Errand of Mercy	TOS episode aired	Next episode: The City on the Edge of Forever
Previous story: first story	Star Trek 10	Next story: The Empath
chronological order
Previous Adventure: A Vulcan, A Klingon, and an Angel (Backstory)	Pocket	Next Adventure: Tomorrow is Yesterday
Previous Adventure: Arena	Voyages of the USS Enterprise (NCC-1701) (2264 to 2270)	Next Adventure: Tomorrow is Yesterday

ImagesEdit

External linkEdit

• The Alternative Factor (episode) article at Memory Alpha, the wiki for canon Star Trek.