ABC Family will air a marathon of episodes that trace Superman's origins beginning with his arrival to Smallville, Friday, December 29 (11:00AM 8:00PM ET/PT). The marathon ends with the season 4 cliffhanger. Catch the conclusion along with all new episodes of "Smallville" beginning January 2, 2007.

Clark must face his past or see everything he has come to love; including his family, friends and the earth destroyed. The marathon leads into the original Superman: The Movie (8:00PM 10:00 PM ET/PT) starring the late Christopher Reeve.

ABC Family Schedule Smallville Marathon
Friday, December 29 (11:00AM- 8:00PM ET/PT) (OTO)

(11:00AM -12:00PM) Pilot A meteor shower reeks havoc on the town of Smallville and brings with it a small boy who is taken in by Martha and Jonathan Kent.

(12:00PM -1:00PM) Rosetta Determined to discover his origins, Clark visits Dr. Virgil Swann (Christopher Reeve) who possesses a message for Clark from his home planet.

(1:00PM 2:00PM) Exodus In the second season finale Clark makes an astonishing discovery about his origins and faces the choice of his lifetime.

(2:00PM 3:00PM) Relic Lana discovers a picture of her great-aunts suspected killer and it looks exactly like Clark-- only her great-aunt was murdered 40 years before.

(3:00PM 4:00PM) Legacy Jonathan begins acting strangely and Clark believes his Kryptonian father, Jor-El is responsible. (Guest star Christopher Reeve)

(4:00PM 5:00PM) Memoria Clark is forced into an experimental program that helps regain memories and he witnesses some of his earliest moments in life.

(5:00PM 6:00PM) Covenant A beautiful girl claiming to be from Krypton arrives in Smallville and forces Jonathan to tell Clark about the deal he struck with Jor-El.

(6:00PM 7:00PM) Crusade Clark returns to Smallville from being in a phantom zone, possessed by his Kryptonian alter-ego Kal-El.

(7:00PM 8:00PM) Commencement Clark discovers the reason he was sent to Earth and goes to the caves to seek answers from his father, Jor-El.

(8:00PM 10:00PM) Superman: The Movie starring Christopher Reeve.