TNT Announces DALLAS Marathon on July 4

TNT has announced a five-hour marathon of Dallas, basic cable's #1 new series for the year-to-date. The lineup will feature the first four episodes of the series, climaxing at 9 p.m. (ET/PT) with the premiere of an all-new episode. In addition, a new installment of the 15-minute post-episode webshow Dallas Round-Up will premiere on http://dallastnt.com at 10 p.m.

5 p.m. (ET/PT) - "Changing of the Guard"

The Ewings, television's first family of drama, sabotage, secrets and betrayal, are gathering at Southfork Ranch for the upcoming wedding of Bobby's adopted son, Christopher, to Rebecca Sutter. Although the occasion is joyous, an old family rivalry crosses generations after secret oil drilling on Southfork results in a major gusher. Everyone has his or her own agenda when the fight over oil and land threatens to tear the Ewings apart once again.

6 p.m. (ET/PT) - "Hedging Your Bets"

The plot to take control of Southfork gets complicated when two-timing affairs and blackmail arise, and J.R. starts to ask one too many questions. Meanwhile, Christopher and Elena bury their feelings in order work together on a business deal. But Christopher's new bride may be hiding her own secrets.

7 p.m. (ET/PT) - "The Price You Pay"

Just as John Ross sets out to claim his birthright and make his father proud, J.R. decides to move back to Southfork, much to Ann's dismay. Bitter Ewing family enemy Cliff Barnes (guest star Ken Kercheval) returns and tries to reconnect with his nephew, Christopher. A startling family announcement offers an opportunity to heal old wounds.

8 p.m. (ET/PT) - "The Last Hurrah"

John Ross seeks to gain an upper hand on a family member and resorts to blackmail, but J.R. decides to handle the situation his own way. Meanwhile, Christopher opens up to Bobby about his difficulty in choosing between the two women he loves.

9 p.m. (ET/PT) - All-New Episode: "Truth and Consequences"

With tension mounting between the newly married Christopher and Rebecca, family ties begin to unravel when the deed to Southfork is revealed. In order to thwart J.R.'s schemes, Ann seeks help from someone in her past, and Christopher decides it is time to fight dirty.