Dexter season 4 is probably my favorite season. I love the trinity killer plot and I was totally shocked at the end of the season!!!

Season four of Dexter is a complete masterpiece. You must watch the first three seasons to maximize enjoyment, but it is oh so worth it. Too bad the show started to slip after this season.

put it simply as the definitive season of this series it changes everything and with no spoilers the finale astounds you its amazing

It really shows how fantastic the writing is on Dexter that it actually gets better as the seasons go along. John Lithgow plays the Big Bad in this season, and he is one of the most spine-chilling villains I have ever seen. He's actually a more compelling villain than the Ice Truck Killer since we get to see him throughout the entire season and explore a lot more of his identity. Dexter becomes very intrigued by John Lithgow's character. This season also explores Dexter as a father and he has to balance work, his new marriage to Rita, and his - ahem - extracurricular activities (appeasing his Dark Passenger). Can Dexter have it all? Watch to find out!

The 6th episode on season 4 is titled "If I Had a Summer" on here in iTunes but that's wrong it's actually called "If I Had a Hammer" it says "Hammer" on my Directv,Boxset & Wikipedia!

This is by far the worst season for Dexter. He had so many opportunities to end Arthur, but for some reason Dexter doesn't follow his own code anymore and it always comes back to haunt him. This season is so frustrating to put up with because Dexter doesn't listen to Harry at all. At least this is the last season we have to put up with that sunburnt slob Rita

This is by far my favorite season John lithgow as the trinity killer was just excellent

I am now hooked on the series...owning all seasons 1-5.....I was really sad they killed off Julie Benz character.....Rita Bennett...that was the most surprising part of season 4. Great actors, chemistry, blood, misery, family bonding, comedy, sex appeal....yes it has everything; thats why its so appealing. I highly recommend watching all of the seasons..... Great job Showtime and the amazing cast and crew of Dexter....talented.....

Such an amazing show!! best season!!

Great season 1, season 2, but season 3 is like… let's sit around and fawn over Rita and the kids. How can anyone who loved the first two seasons love season 3? It's just "okay".