| Episode cast overview, first billed only: | |||
| Michael C. Hall | ... | Dexter Morgan | |
| Julie Benz | ... | Rita Morgan | |
| Jennifer Carpenter | ... | Debra Morgan | |
| Desmond Harrington | ... | Det. Joseph 'Joey' Quinn | |
| C.S. Lee | ... | Vince Masuka | |
| Luna Lauren Velez | ... | Lt. Maria LaGuerta (as Lauren Velez) | |
| David Zayas | ... | Sgt. Angel Batista | |
| James Remar | ... | Harry Morgan | |
| John Lithgow | ... | Arthur Mitchell | |
| Courtney Ford | ... | Christine Hill | |
| Julia Campbell | ... | Sally Mitchell | |
| Brando Eaton | ... | Jonah Mitchell | |
| Vanessa Marano | ... | Rebecca Mitchell | |
| Christina Robinson | ... | Astor Bennett | |
| Preston Bailey | ... | Cody Bennett | |
For most people, Thanksgiving is a time for traditions and family. But for Dexter, it's an opportunity to get closer to his most dangerous adversary yet. As Dexter gains insight into Arthur's psychology by studying those closest to him, he finds himself drawn into a bizarre and twisted world. Meanwhile, Rita has her hands full preparing dinner for a packed house, including a few unexpected guests. Batista gets closure on an old case, while Debra uses the holiday to continue her investigation of the Trinity Killer, a pursuit which threatens her brother's safety and brings to light surprising revelations about someone else close to her.
Around the time of season 3, I honestly felt like Dexter had kind of grown soft. This may have been due to my continued exposure to it, but the tension and horror just wasn't there anymore. As season 4 began to unfold, I felt that the character of Trinity (John Lithgow) was a possible attempt at recapturing that horrific power of the first season (and to an extent, the second season). This episode fulfilled it, and took it up about 6 notches. While the Angel/LaGuerta scenes, the Masuka/Rita/Debra/Elliot/Kids scenes, and the Quinn/Hill scenes (including the huge reveal at the end) were nice for character development, the true core of the episode came from the scenes involving Dexter getting to the bottom of the Mitchell family. The way that Arthur uses his family takes Dexter's season 1 "cover" ideas, and twists them into a strange psychological world that is easily the most terrifying element of the entire series thus far. Mitchell's wife and daughter are practically puppets bent to serve his will, while his son retains an independent spirit that can only be quelled by brutal beatings and injuries inflicted by his father. Dexter himself becomes so disturbed by the events in the house that he almost kills Trinity right then and there. True standout performances from Michael C. Hall, John Lithgow, and Brando Eaton only increase the power of this episode. Easily the most frightening and psychologically powerful episode of Dexter, and the best episode since the epic season 1 finale.