Beaulieu appeared as a semi-regular in Freaks and Geeks as the school's biology Teacher, Mr. Lacovara. He also appeared in The West Wing episode "Bad Moon Rising". For the last few years, Beaulieu has been a Writer for America's Funniest Home Videos. In 2002, he was the head Writer, Producer, and host of the pilot episode of the Animal Planet show People Traps. He has since starred in the 2010 computer game Darkstar: The Interactive Movie as first officer Ross Perryman. In 2013, he reprised his role as Crow for a brief cameo appearance in two episodes of the fourth season of Arrested Development, along with Joel. In 2015, Beaulieu appeared as ART in the Yahoo! original comedy series, Other Space.