The first place to check would be the distributor, BBC. If they can't license it, they can direct you to the company that can.
If you mean the series of casual Nintendo DS games, the copyright belongs to Ubisoft.
Lyrics and Music by Herman Hupfeld; © 1931 Warner Bros. Music Corp., ASCAP
Nobody owns the copyright of a single word. Perhaps you mean trademark.
the coca cola company owns the copyright
1949-1954: Apex Film Corp. 1954-1957: Wrather Productions
A minor owns the copyright on any works they create.
Universal.
Episodes before July 1968: ABC Weekend Television Episodes after July 1968: Thames Television
Word Music.
Rankin/Bass.
Rondor Music.
Paramount.