The first two seasons of the re-booted version of the classic show are scheduled for re-broadcast Feb. 23-24.
The new season is to kick off Feb. 24.
"The marathon will also feature a social media component, with various fan and character tweets featured throughout each episode. Additional content will be available through the 'Dallas' Facebook page, narrated by John Ross Ewing," TNT said in a release, referring to the character played by Josh Henderson.
The series follows the internal and external conflicts facing the oil-rich Ewing family. It stars Jesse Metcalfe, Jordana Brewster, Julie Gonzalo, Brenda Strong, Mitch Pileggi and Emma Bell, with Patrick Duffy and Linda Gray.
The new season will also see the addition of Juan Pablo Di Pace as a regular cast member and the return of guest stars Ken Kercheval, Judith Light, Kuno Becker and Marlene Forte. In addition, AnnaLynne McCord is set to guest star in several episodes.