Premise: The Secret Garden is the 1987 Hallmark Hall of Fame TV film adaptation of the novel "The Secret Garden", aired on CBS November 30, 1987 and produced by Rosemont Productions Limited, who also produced "Back to the Secret Garden". The film stars Barret Oliver, Jadrien Steele, Billie Whitelaw and Sir Derek Jacobi.
Hypothesis: Back to the Secret Garden was made after The Secret Garden was.