It’s another Community mini-reunion when Jim Rash guest-stars on Ken Jeong’s Dr. Ken — and we have a first look at the pair’s familiarly contentious clash.

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In the freshman ABC sitcom’s March 18 episode, “Ken’s An Expert Witness,” the titular doc is invited to be a medical expert at a trial, sending his confidence level through the roof. But when the plaintiff’s lawyer – Devon Drake (played by Rash) — shreds his credibility on the stand, Ken’s ego suffers a blow.

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Tonight on Dr. Ken (ABC, 8:30/7:30c), the music group Emblem3 guest-stars and performs, when Ken tries to bond with teenage Molly by taking her to a concert.

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