Ent - 4x05 - Cold Station 12

Soong's augments take control of a medical facility containing more augment embryos and several dangerous diseases.
http://memory-alpha.org/en/wiki/Cold_St ... episode%29


Ent - 4x07 - The Forge

When Earth's embassy is bombed, and Admiral Forrest dies in the explosion, the investigation puts Archer and T'Pol on the trail of a Vulcan religious faction hiding in a treacherous desert.
http://memory-alpha.org/en/wiki/The_Forge


Ent - 4x11 - Observer Effect

The non-corporeal Organians study the response of the Enterprise crew to the infection of Hoshi Sato and Tucker by a fatal silicon-based virus brought on board during an away mission.
http://memory-alpha.org/en/wiki/Observer_Effect


Ent - 4x13 - United

Archer tries to unify the Andorians, Tellarites and Vulcans in a plan to capture a marauder ship threatening to destabilize the region.
http://memory-alpha.org/en/wiki/United


Ent - 4x20 - Demons

A xenophobic faction of humanity threatens to undermine talks to form a new coalition of planets.
http://memory-alpha.org/en/wiki/Demons

observer effect

Jos jedan glas za Efekt promatraca...steta sto je Ent tek u 4. sezoni poceo sa onim sto je trebao obradjivati na pocetku...