* [[http://www.youtube.com/watch?v=5hfYJsQAhl0 The wrong answer in the Academic Decathalon]].
* While Billy isn't well-schooled or anywhere near a genius, he seems pretty capable with understanding people. For example, knowing that getting [[ScrewTheRulesIHaveMoney Eric]] to answer a Business Ethics question during the Decathalon would force his rival to [[VillainousBreakdown flame out]].
* Billy's former childhood victim, who he made amends with and befriended, appearing at the end to save Billy by shooting Eric. In the ''ass''.
-->'''Billy:''' ''Man,'' I'm glad I called that guy.
* Billy's classmates demanding the principal to recant his false confession.