2002 | 8 Episodes

Season 0 of Emergency Room 24 Hours premiered on January 1, 2002.

1999 | 12 Episodes

Season 1 of Emergency Room 24 Hours premiered on January 5, 1999.

2001 | 12 Episodes

Season 2 of Emergency Room 24 Hours premiered on July 1, 2001.

2005 | 12 Episodes

Season 3 of Emergency Room 24 Hours premiered on January 11, 2005.

2009 | 7 Episodes

Season 4 of Emergency Room 24 Hours premiered on August 11, 2009.

2013 | 10 Episodes

Season 5 of Emergency Room 24 Hours premiered on July 9, 2013.