Actor Allusion: In 3.5 Application'd, Zaboo can be seen wearing a ''Legend of Neil'' shirt. The Legend of Neil is another web series, created by Zaboo's actor, Sandeep Parikh. There are at least two Dr. Horrible references: Riley calling Zaboo "Bad Horse," and Codex putting up her fists while referring to "hammers." Also, Codex owns a frozen yogurt maker; in the musical, froyo was an important symbol for Penny and Billy's relationship.
Acting for Two: Tink's twin sisters Tara and Lara were originally supposed to be played by twin actresses but due to a scheduling snafu, they had to hire one of the extras to play both parts. And she had no acting experience.
Hey, It's That Guy!!: Considering what a shoestring the series started on, the number of these it's wracked over the years is doubley impressive.
Wil Wheaton plays Fawkes, leader of the Axis of Anarchy.