The Man Who Cried "Clown!"

The Man Who Cried "Clown!" is an episode of Squiddy Tentacles. It was the first of three episodes to spoof the Twilight Zone.

Plot
Squidward and his mother are flying when Squidward discovers a clown on the wing of the plane with an umbrella. In horror, he wakes his mom up, who sees absolutely and convinces him that it was all just imagined. However, once she falls asleep, it comes back! Can Squidward find out why it's there and how to get rid of it?

Trivia

 * This episode is a parody of Nightmare at 20,000 Feet.