Conversation so far:
Who is Uri Geller?
Uri Geller is a magician, television personality, and self-proclaimed psychic.
How did Uri Geller know Johnny Carson?
In 1973, magician, television personality, and self-proclaimed psychic Uri Geller appeared on The Tonight Show Starring Johnny Carson.
Are there any other interesting aspects about Uri Geller appearing on The Tonight Show Starring Johnny Carson?
Johnny Carson had been a magician himself and was skeptical of Geller's claimed paranormal powers.
Did Johnny Carson call Uri Geller out?

Question: What happened?
Self-contained rewrite: What happened to Uri Geller on The Tonight Show?