| 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. The cover memorializes many of the past and present physicians and nurses who have dedicated their lives to serving the overburdened ER at County General Hospital.
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 |
Plot synopsis[]
The final season opens up revealing Gregory Pratt is the victim of the ambulance explosion. Despite the rallying efforts of his workplace colleagues, he succumbs to his injuries and dies. The season introduces Cate Banfield as new ER chief, a woman with a seemingly mysterious past with County General. Luka Kovač and Abby Lockhart leave for a new life in Boston, Brenner must deal with issues surrounding his childhood, and he comes to a crossroads in his relationship with Neela, Samantha Taggart and Tony Gates' relationship suffers a major setback after an accident involving Alex Taggart while Neela Rasgotra is forced to make some tough decisions, both personal and professional.
To mark the end of the series after 15 years, several former cast members make a return to the show. Mark Greene and Robert Romano appear in a flashback episode that explores Banfield's history with County General while John Carter returns to work at County although, unbeknown to his colleagues, he is in desperate need of a kidney transplant. Peter Benton, Doug Ross, Carol Hathaway, Susan Lewis, Elizabeth Corday, Kerry Weaver and Ray Barnett return in various episodes. The heartbreaking series finale ends with one final multiple casualty incident that brings multiple patients to the ER, and shows that life goes on at County General Hospital.
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 |