Watch ER Online - Full Episodes

As "ER" comes to a close, this hour-long retrospective takes a look back at past seasons with clips from the most memorable episodes and interviews with many of the series' stars.

John Carter opens his new medical facility and his former colleagues and friends come to show their support. Meanwhile, Dr. Gates treats a teenager with alcohol poisoning after playing a drinking game. Sam is surprised when she receives a birthday present. Dr. Rachel Greene starts her first day as an intern, in the same ER her father worked many years before.

Doctors and nurses from the ER help out at a camp for children who have had open heart surgeries. A woman returns to County for the baby she previously abandoned there.

It's Neela's last day in the ER, but everyone seems to have forgotten that she is leaving. She proves she is ready to be an attending by arguing with Dr. Dubenko over two surgical cases. Meanwhile, Brenner reflects on his past.