Teenage Mutant Ninja Turtles is an animated TV-series. It originally aired in synddication from 28 December 1987, until 1990, and over CBS from 1990 until 2 November 1996.
December 1987–December 1993 (Seasons 1-7)
Teenage Mutant Hero Turtles (Europe)
Used in Europe due to controversy during that time.
September 1994–November 1996 (Seasons 8-10, "Red Sky Seasons")
Seasons 8 to 10 of Teenage Mutant Ninja Turtles was known as the "Red Sky Seasons" by TMNT fans because the sky was always red and the show's tone was darker.