Season 15

Season 15
No. of episodes	22
Original network	NBC
Original run	September 25, 2008 – April 2, 2009
DVD release	July 12, 2011
Season chronology
Previous 14	Next N/A (Finale)

The fifteenth and final season of the medical drama series ER which originally aired from NBC on September 25, 2008 and concluded on April 2, 2009. The season consists of 22 episodes.

Cast and characters

Main article: Season fifteen characters

See also: Season fifteen cast

Actor/actress	Character	Role
Goran Višnjić	Dr. Luka Kovac	Ex-Chief of Emergency Medicine
Maura Tierney	Dr. Abby Lockhart	Emergency Medicine Attending
Mekhi Phifer	Dr. Greg Pratt	Emergency Medicine Attending
Scott Grimes	Dr. Archie Morris	Emergency Medicine Attending
Parminder Nagra	Dr. Neela Rasgotra	Surgical Resident (Year 3)
John Stamos	Dr. Tony Gates	Emergency Medicine Resident (Year 2)
Linda Cardellini	Nurse Samantha "Sam" Taggart	ER Nurse
David Lyons	Dr. Simon Brenner	Emergency Medicine Attending
Angela Bassett	Dr. Catherine Banfield	Chief of Emergency Medicine

Episodes

Main article: Episodes

Season #	Series #	Title	Writer	Director	Original airdate
1	310	Life After Death	Joe Sachs	Christopher Misiano	September 25, 2008
2	311	Another Thursday at County	Lisa Zwerling	Paul McCrane	October 9, 2008
3	312	The Book of Abby	David Zabel and Lisa Zwerling	Christopher Chulack	October 16, 2008
4	313	Parental Guidance	Janine Sherman Barrois	John E. Gallagher	October 23, 2008
5	314	Haunted	Karen Maser	Christopher Chulack	October 30, 2008
6	315	Oh, Brother	Virgil Williams	Stephen Cragg	November 6, 2008
7	316	Heal Thyself	David Zabel	David Zabel	November 13, 2008
8	317	Age of Innocence	Janine Sherman Barois	Paul McCrane	November 20, 2008
9	318	Let it Snow	Joe Sachs	Charles Haid	December 4, 2008
10	319	The High Holiday	Shannon Goss	Lesli Linka Glatter	December 11, 2008
11	320	Separation Anxiety	Virgil Williams	Terence Nightingall	January 8, 2009
12	321	Dream Runner	Lisa Zwerling	Andrew Bernstein	January 15, 2009
13	322	Love Is a Battlefield	Karen Maser	Richard Thorpe	January 22, 2009
14	323	A Long, Strange Trip	Joe Sachs	Mimi Leder	February 5, 2009
15	324	The Family Man	Andrew Fash	Eriq La Salle	February 12, 2009
16	325	The Beginning of the End	David Zabel and Lisa Zwerling	Jonathan Kaplan	February 19, 2009
17	326	T-Minus-6	David Zabel and Lisa Zwerling	Rod Holcomb	February 26, 2009
18	327	What We Do	David Zabel	David Zabel	March 5, 2009
19	328	Old Times	John Wells	John Wells	March 12, 2009
20	329	Shifting Equilibrium	Lisa Zwerling	Andrew Bernstein	March 19, 2009
21	330	I Feel Good	Joe Sachs	Stephen Cragg	March 26, 2009
22	331	And in the End...	John Wells	Rod Holcomb	April 2, 2009