For ABC's Private Practice, the Show must go on. Grant, that is.

Bad jokes aside, Addison's brother will be returning to the medical drama in the 14th episode of the season, slated for February 10. The reason for Archer Montgomery's big visit is still under wraps, but we do know it "becomes a bit mandatory." Ominous.

One additional clue, courtesy of TV Line, is that Stephen Collins (No Ordinary Family) will reprise his role of Addison’s father, “The Captain,” in the same episode.

You can probably put two and two together there ...

ARCH RIVAL: Addison's brother Archer has been on six Private Practice episodes to date, including a Grey's Anatomy crossover. What brings him back to town this time? Discuss.

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.