Filmed in 1996 but not broadcast until 1999.
The original Broadway production of "Harvey" by Mary Chase opened on November 1, 1944 at the 48th Street Theater, ran for 1775 performances and won the Pulitzer Prize in Drama in 1945.
A great deal of the dialogue was rewritten after the movie was made. This resulted in scenes where the lip movement of the actors, especially Harry Anderson, did not match up at all.