Star Trek: The Next Generation - 4x01 - The Best of Both Worlds, Part 2

    With Riker in command of the Enterprise, he coordinates a plot to retrieve the assimilated Captain Picard, and hopefully save Earth from the Borg.
    This second half is a bit better than the first half.  We don't know quite where Riker is going with his plans, and the audience is kept in the dark roughly as much as the Borg are.
    The episode allows Riker and his nemesis from the first half to work together in an effort to devise a plan that Picard wouldn't have had any knowledge of.  There's plenty of action, and a certain amount of emotional resonance.  It's implied that the experience of being a Borg is unpleasant.