 Besides dividing the series between bloopers and classic TV advertisements of yesteryear, the original version of the show also featured at least two practical joke segments per episode, with celebrities caught in "Candid Camera"-like situations (a forerunner of the later series "Punk'd").Like the blooper and commercial segments, the "practical jokes" were first seen in a television special, "Johnny Carson's Greatest Practical Jokes"—hence Carson Productions' involvement in the series.Other regular features included