Tim Allen and Richard Karn are reuniting for a new History Channel competition show called Assembly Required. The two actors became household names working together from 1991-1999 on Home Improvement. Karn will serve as series host and executive producer. In the competition series premiering February 23 Allen and Karn spotlight the best and brightest makers from across the country, as they compete head-to-head to create mind-blowing builds.
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