All Good Things... (TNG)
The Year of Hell (VOY)
The Best of Both Worlds (TNG)
Balance of Terror (TOS)
Tapestry (TNG)
Living Witness (VOY)
Yesterday's Enterprise (TNG)
In a Mirror, Darkly (ENT)
Carbon Creek (ENT)
Hard Time (DS9)
I could probably come up with a different list tomorrow, but this is what occurs to me today.