Now You See Him, Now You Don't is a 1972 American science fiction comedy film starring Kurt Russell as a chemistry student who accidentally discovers the secret to invisibility. It is the second film in Dexter Riley series.

Now You See Him, Now You Don't was the first Disney film to be shown on television in a two-hour time slot, in 1975. Previous television showings of Disney films had either shown them edited or split into two one-hour time slots.