John in Philadelphia: What's in store for Don and Charlie next season on Numb3rs?
They're breaking up the band—but just for a bit. In an upcoming episode, Don, Larry and Amita work on a case without Charlie, who is preoccupied with a separate investigation...Yay, Don can get to know his future sister-in-law better. (OK, that last part is wishful thinking, but work with me here.)

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