Smallville: The complete eighth season

Disc 1. Episode 1: Odyssey / teleplay by Todd Slavkin & Darren Swimmer ; story by Brian Peterson & Kelly Souders ; directed by Kevin G. Fair

Episode 2: Plastique / written by Holly Henderson & Don Whitehead ; directed by Rick Rosenthal

Episode 3: Toxic / written by Caroline Dries ; directed by Mairzee Almas

Episode 4: Instinct / written by Turi Meyer & Al Septian ; directed by James L. Conway

Episode 5: Committed / written by Bryan Q. Miller ; directed by Glen Winter

Episode 6: Prey / written by Kelly Souders & Brian Peterson ; directed by Michael Rohl.

Disc 2. Episode 7: Identity / written by Todd Slavkin & Darren Swimmer ; directed by Mairzee Almas

Episode 8: Bloodline / written by Caroline Dries ; directed by Michael Rohl

Episode 9: Abyss / written by Don Whitehead & Holly Henderson ; directed by Kevin G. Fair

Episode 10: Bride / written by Al Septien & Turi Meyer ; directed by Jeannot Szwarc

Episode 11: Legion / written by Geoff Johns ; directed by Glen Winter

Episode 12: Bulletproof / written by Bryan Q. Miller ; directed by Morgan Beggs.

Disc 3. Episode 13: Power / written by Todd Slavkin & Darren Swimmer ; directed by Allison Mack

Episode 14: Requiem / written by Holly Henderson & Don Whitehead ; directed by Michael Rohl

Episode 15: Infamous / written by Caroline Dries ; directed by Glen Winter

Episode 16: Turbulence / written by Turi Meyer & Al Septien ; directed by Kevin G. Fair

Episode 17: Hex / written by Bryan Q. Miller ; directed by Mairzee Almas

Episode 18: Eternal / written by Brian Peterson & Kelly Souders ; directed by James Marshall.

Disc 4. Episode 19: Stiletto / written by Caroline Dries ; directed by Kevin G. Fair

Episode 20: Beast / written by Genevieve Sparling ; directed by Michael Rohl

Episode 21: Injustice / written by Al Septien & Turi Meyer ; directed by Tom Welling

Episode 22: Doomsday / written by Kelly Souders & Brian Peterson ; directed by James Marshall.