Disney's 1928 animated short film ... live-action sequel (The Son of Flubber, the sequel to The Absent-Minded Professor) and zero animated sequels. And there's a reason for that.

You know, the green bouncy stuff from the 1997 movie of the same name starring Robin Williams. Before that, it was in the 1961 film “The Absent-Minded Professor” and its sequel, “Son of ...