In just a few minutes here on the east coast, the long awaited season finale of Dexter's fourth season arrives. This show, already amazing, has been absolutely brilliant this year with Dexter's interest in 39-year serial killer Trinity, played to perfection by John Lithgow. So, in a show full of twists and turns, what can we expect? My guesses:

- Dexter will kill Trinity.

- Dexter will kill Trinity, but in such a way as to set things up for an uncomfortable 5th season such as, say, stabbing him to death on the table during the morning meeting at the precinct.

- Dexter will try to kill Trinity and then discover, to his shock, that Trinity is, in reality, former president Warren G. Harding.

- Dexter will try to kill Trinity and fail, only to have