This is a list of television series, television specials and title sequences produced by Ruby-Spears Productions (also known as Ruby-Spears Enterprises).
Most of the pre-1991 library of Ruby-Spears is currently owned by Warner Bros. Television Studios through Warner Bros.
Animation.
The Hanna-Barbera Classics Collection (once called the Hanna-Barbera Golden Collection, later called the Hanna-Barbera Diamond Collection) is a series of two-to-four-disc DVD box sets from Warner Home Video and later by Warner Archive, usually containing complete seasons and complete series of various classic Hanna-Barbera (with MGM Cartoons and Ruby-Spears) cartoons (along with the television movies and specials).
The line began in March 2004.