Acting for Two: Tends to happen whenever Brad's characters crossover. Also done in Hooker, where he plays two of the major antagonists. And at the end of The Story Of Ricky review, the Snob and Kung Tai Ted have a duel.
Though if you look at some points during the duel you can tell when one of the characters is played by a stunt double (Flaming Brian, to be specific).
Sarah and Brian used to be married, but they divorced amicably. After that, she and Jake started dating.
Jillian was married to Brad; they're now divorced, but they're really good friends and she still appears in his videos.
Schedule Slip: Brad is really good about making sure that something new is posted on his website on a regular basis, but that's possible due to the fact that he has at least eight shows to choose from, they do not all update on a regular schedule, mostly due to amounts of reviewable material, the amount of work that goes into an episode or just plain interest on his part.
For example, Brad and his friends all seem to love 80s Dan, but the fact that the show (Which is still a nostalgic snark-review show) is structured like an 80s Sitcom with the biggest cast out of all of his shows means that they can only do a few episodes a year.
Keeping it short, the only regularly updated shows are The Cinema Snob (weekly, though at times replaced with DVD-R Hell or a special) and Midnight Screenings\Brad's Current Movie Reviews (once a week, but sometimes more).
What Could Have Been: Brad mentioned once on his forums that he was planning a new scripted series about a character that loves films by The Asylum. As the post is nearly two years old of this time, the series probably didn't take off. (Also, MikeJ has an "Asylum Seeker" reviews with a similar premise, so it's possible that Brad didn't want to create a competing series.)
There's also several films he wanted to review, but ended up deciding against for various reasons. He also claims that the The Stewardesses 3-D review almost didn't happen because he had a hard time coming up with material.