Pilot

The word "pilot" refers to the first episode of a series, in which is used to promote and show viewers why they should watch further episodes. Many TV shows use the title "Pilot", but others, such as South Park, use a different title. It is usually longer than an average episode on its first airing, and in some shows such as K9, the pilot is very different to the other episodes.
"Pilot" may refer to:
Pilot (American Dad!) The pilot of American Dad!
Pilot (My Name is Earl) The pilot of My Name is Earl.
Bad Karma The Alternate Pilot of My Name is Earl.
Jesus VS Frosty The pilot short of South Park.
The Unaired Pilot 'The original pilot episode of South Park.
Cartman Gets an Anal Probe 'The pilot episode of South Park.