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[edit] Episodes

The Coalition of Planets is founded. The founding members include Humans, Vulcans, Andorians, Tellarites, Rigelians, Denobulans and the Coridanites. (ENT: "Demons")
Decontamination of Cold Station 12 is completed. (ENT: "The Augments")
In the alternate timeline where Earth was destroyed by the Xindi, Enterprise begins leading a fugitive convoy to the Ceti Alpha system. (ENT: "Twilight")
In the mirror universe, the ISS Enterprise travels into Tholian space in search of a Terran vessel - the Constitution-class USS Defiant. The Enterprise is destroyed and most of the senior staff retrieve the Defiant. (ENT: "In a Mirror, Darkly")