Tensions mount as different Vulcan factions fight for control of the Kir'Shara.
4-02: Storm Front, Part II
With Silik’s help, Enterprise works to stop Vosk in Earth’s altered past.
4-19: In a Mirror, Darkly, Part II
A power-struggle ensues for control of the U.S.S Defiant in the mirror universe.
4-01: Storm Front, Part I
Trapped in Earth during World War II, Enterprise investigates dramatic changes in the timeline as a result of the Temporal Cold War.