STUMPERS CXCI

The answers to the three clues below will bring back an iconic phrase of 1950's television.

1. Descendant of the dinosaurs
2. Geometric surface
3. Idea of German philosopher Nietzsche

Answer:

1. It's a bird!
2. It's a plane!
3. It's Superman!

Credit: NY Times Crossword 
September 20, 1995
Randy Sowell