Here's what's coming up for the rest of the season:
(
Spoilers, for those who care)
4x05 "
Safe" - The Enterprise crew must track down a spy from the future.
4x06 "
Spygame" - The Enterprise crew must track down a spy from the future.
4x07 "
Desperate Measures" - Tucker finally decides - Command or Engineering.
4x08 "
Sdrawkcab" - CONFIDENTIAL.

4x09 "
Ombudsman" - A journalist stirs up the personal lives of the crew.
4x10 "
Strange New Dreams" - Think "Treehouse of Horror", only for Star Trek.
4x11 "
What-If World" - Archer tries to prevent the Cuban Missile Crisis on a duplicate Earth. NOTE:
Not a parallel universe story.
4x12 "
Duel" - The Enterprise is forced to participate in a contest where captured ships battle to the core-breach.
4x13 "
Darkest Knight" - The Enterprise enters a dark nebula inhabited by strange creatures that feed on warp plasma.
4x14 "
Boom" - The Boomers revolt, and the Orion pirates take advantage of the situation.
4x15 "
Orion" - The Boomers revolt, and the Orion pirates take advantage of the situation.
4x16 "
The Calling" - Mayweather finally decides - Starfleet or family?
4x17 "
The Trouble with Klingons" - The Enterprise finds a Vulcan ghost-town.
4x18 "
For the Ages" - Archer and co. begin to age rapidly, and T'Pol is their only hope.
4x19 "
Phantoms" - Archer and co. begin to age rapidly, and T'Pol is their only hope.
4x20 "
Quantum Leap" - CONFIDENTIAL

4x21 "
Redux" - CONFIDENTIAL

4x22 "
Broken Bow" - Season Finale - CONFIDENTIAL

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