Gus is a closet fan of spelling bees. He knows everything there is to know, from the major players to the winning words each year. When Shawn catches him watching the Regional Spelling Bee that he Tivo'd earlier, they see that this year's favorite, Brendan Vu, collapsed while spelling a word. Shawn doesn't think it was an accident. He notices something is wrong with Brendan's inhaler. They get a call from Interim Chief Vick to come down and investigate. This is Gus' dream come true.