ER: season 9

Disc 1: Episode 1: Chaos theory / written by Jack Orman & R. Scott Gemmill ; directed by Jonathan Kaplan

Episode 2: Dead again / written by Dee Johnson ; directed by Richard Thorpe

Episode 3: Insurrection / written by Yahlin Chang & Jack Orman ; directed by Charles Haid

Episode 4: Walk like a man / written by David Zabel ; directed by Felix Enriquez Alcalá. Disc 2: Episode 5: A hopeless wound / written by Julie Hébert & Joe Sachs ; directed by Laura Innes

Episode 6: One can only hope / written by Bruce Miller ; directed by Jonathan Kaplan

Episode 7: Tell me where it hurts / written by R. Scott Gemmill ; directed by Richard Thorpe

Episode 8: First snowfall / written & directed by Jack Orman. Disc 3: Episode 9: Next of kin / written by Dee Johnson ; directed by Paul McCrane

Episode 10: Hindsight / written by David Zabel ; directed by David Nutter

Episode 11: A little help from my friends / written by Julie Hébert ; directed by Alan J. Levi. Disc 4: Episode 12: A saint in the city / written by Bruce Miller ; directed by Peggy Rajski

Episode 13: No good deed goes unpunished / written by R. Scott Gemmill ; directed by Nelson McCormick

Episode 14: No strings attached / written by Dee Johnson ; directed by Jonathan Kaplan

Episode 15: A boy falling out of the sky / written by Yahlin Chang & R. Scott Gemmill ; directed by Charles Haid. Disc 5: Episode 16: A thousand cranes / teleplay by David Zabel ; story by Jacy Young ; directed by Jonathan Kaplan

Episode 17: The advocate / written by Joe Sachs ; directed by Julie Hébert

Episode 18: Finders keepers / written by Dee Johnson ; directed by T.R. Babu Subramaniam

Episode 19: Things change / written by R. Scott Gemmill ; directed by Richard Thorpe. Disc 6: Episode 20: Foreign affairs / written by David Zabel ; directed by Jonathan Kaplan

Episode 21: When night meets day / written & directed by Jack Orman

Episode 22: Kisangani / written by John Wells ; directed by Christopher Chulack.