Where's Poppa? (1970)

When a New York attorney Gordon Hocheiser meets the girl of his dreams, he schemes to eliminate his aging, senile mother, even though he promised his late father that he'd always take care of her.

Movie Movie (1978)

Three movie genres of the 1930s, boxing films, World War I aviation dramas, and backstage Broadway musicals, are satirized using the same cast.

From memory: Nostalgic Hollywood spoof is lovingly assembled by an oldtime professional director; a bit uneven, but generally quite entertaining.

Halliwell**: "Unfortunately there weren't enough paying customers to appreciate the spoofs, which are pretty patchy anyway; but golden moments stay in the mind."

Maltin***: "Affectionate parody of 1930s double feature..."