Season 1 of Médecins de nuit premiered on September 22, 1978.

Season 2 of Médecins de nuit premiered on March 14, 1980.

Season 3 of Médecins de nuit premiered on April 3, 1981.

Season 4 of Médecins de nuit premiered on March 11, 1983.

Season 5 of Médecins de nuit premiered on April 18, 1986.