(at 9:20) The opening title card reads "The Return Of The King". Below it, the copyright line reads "RANKIN/BASS PRODCTIONS, INC. MCMLXXIX". The word "productions" is misspelled.
Many names of locations and characters are mispronounced: Gorgoroth as Gorogoroth, Minas Tirith as Mine-as Tirith (instead of Me-nas), Cirith Ungol as Sirith Ungol (insteaf of Kirith), Smaug as Smog (instead of Sma-ug), Sauron as Soron (instead of Sow-ron), Lebennin as LebEnnin (instead of LEbennin).