TNT Prepping a 20-Hour Supernatural Marathon

TNT’s marathon will kick off with the fourth season finale, “Lucifer Rising,” followed by the fifth-season premiere, “Sympathy for the Devil.” Along with a few random episodes from Seasons 2-4, the schedule includes 10 additional episodes from the fifth season, including the dramatic season finale at 7 p.m. (ET/PT).

The following is a complete schedule of TNT’s “Supernatural” marathon:

Midnight “Lucifer Rising” (Season 4 Finale) – As the Apocalypse approaches, Castiel and Zachariah inform Dean that his moment of glory draws nigh. Sam, disagreeing, goes with Ruby to take on Lilith.

1 a.m. “Sympathy for the Devil” (Season 5 Premiere) – Sam, Dean and Bobby must deal with the aftermath of the Devil’s escape from Hell. They also receive startling news from the Prophet.

2 a.m. “Mystery Spot” (Season 3) – Dean is killed after looking into a case about the disappearance of a man with Sam. The next morning, Sam is shocked to find Dean alive and realizes that he is reliving the day before.

3 a.m. “In My Time of Dying” (Season 2 Premiere) – In the aftermath of the car crash, the surviving Winchesters go to the hospital, where one is stalked by a Reaper while another must consider sacrificing himself to save the others.

4 a.m. “Jus in Bello” (Season 3) – FBI Agent Henricksen finally captures Sam and Dean, but he is caught in the middle when a horde of demons descends on the small-town jail to eliminate the brothers.

5 a.m. “Ghostfacers” (Season 3) – While investigating the haunted Morton Mansion, Sam and Dean run into a couple of familiar faces and become inadvertent participants in a new reality show named Ghostfacers. As events turn deadly and the team is trapped in the house, the investigation becomes a battle to survive until morning.

6 a.m. “Bloodlust” (Season 2) – Sam and Dean encounter a vampire hunter whose obsession may get them all killed.

7 a.m. “Sin City” (Season 3) – The brothers investigate a town where the citizens have turned to drinking and gambling. Meanwhile, Bobby gets an unexpected ally as he attempts to rebuild the Colt.

8 a.m. “In the Beginning” (Season 4) – Dean gets transported back in time and ends up in Lawrence, Kansas, where he crosses paths with a young version of his parents, who have just fallen in love.

9 a.m. “Nightshifter” (Season 2) – The Winchesters investigate a series of crimes where robbers with no criminal past commit suicide after the hold-ups.

10 a.m. “The Real Ghostbusters” (Season 5) – Sam and Dean are tricked into attending a Supernatural convention by their super-fan Becky. The brothers are in for a shock when many of the fans are dressed up like them.

11 a.m. “Changing Channels” (Season 5) – Dean and Sam find themselves mystically trapped in a series of real-life TV shows, from which there appears to be no escape. They believe their old enemy the Trickster is responsible, but discover it could involve someone or something else.

Noon “The Song Remains the Same” (Season 5) – Anna travels back in time to kill Mary and John Winchester before they can conceive Sam and Dean, thus preventing the Apocalypse. Castiel transports the brothers back to save their own parents, but they must answer awkward questions when their parents begin to wonder what’s going on.

1 p.m. “My Bloody Valentine” (Season 5) – Lovers begin to kill each other in a small town on Valentine’s Day. When Sam, Dean and Castiel investigate, they discover that people are not starved for just love. Famine, one of the Four Horsemen, is fueling their hunger.

2 p.m. “Dead Men Don’t Wear Plaid” (Season 5) – In Bobby’s hometown, the dead rise from their graves and take up their normal family lives where they left off. Sam and Dean suspect something sinister is responsible, but Bobby refuses to investigate after his dead wife, Karen, returns.

3 p.m. “99 Problems” (Season 5) – Sam and Dean find a town where the angels have chosen a pastor’s daughter, Leah, as a prophet to teach the townsfolk how to fight demons. The town is soon swept up in a religious fervor as Leah passes on the angels’ increasingly strict commandments.

4 p.m. “Hammer of the Gods” (Season 5) – Earth’s pagan gods gather and trap Sam and Dean in a hotel. While they try to decide what to do, Gabriel arrives and tries to keep the gods from engaging in futile battle.

5 p.m. “The Devil You Know” (Season 5) – Crowley contacts Sam and Dean and offers to help them find Pestilence so they can get the third ring and trap Lucifer. They capture the demon in charge of coordinating the Horsemen’s activities, but Sam realizes that the demon is an old acquaintance.

6 p.m. “Two Minutes to Midnight” (Season 5) – After Bobby and the brothers recover Castiel, they search out Pestilence, who is preparing to unleash the Croatoan virus upon the planet. Meanwhile, Lucifer is using Death to create a storm that will wipe out 3 million people, but Death has a plan of his own.