The four finalists attempt to create 30-second TV commercials for their inventions. The commercials will be aired and viewers will get the chance to see both the finished products and what the contestants had to go through creating them. At the end... (more) of the show, viewers are given the chance to vote on who they think deserves the $1 million prize and bragging rights as "The American Inventor".

Ed Hall, Erik Thompson, Francisco Patino, Janusz Liberkowski, Jordan Fox