EXCLUSIVE: 'Home Improvement' Reunion! 'Last Man Standing' Brings Together Tim Allen and Patricia Richardson

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Home Improvement stars Tim Allen and Patricia Richardson are once again sharing the screen -- on Friday night's episode of Last Man Standing -- and ET took them on a trip down memory lane.
ET was there when the classic TV couple taped the 100th episode of Home Improvement in 1995, and Allen was surprised by his appearance when we showed him a clip of the flashback interview.
"I look like my younger brother," Allen said. "It's just depressing."
ET was also on hand for Home Improvement's first taping in 1991, when Jonathan Taylor Thomas was 10, Zachery Ty Bryan was nine and Taran Noah Smith was just seven years old.
"It was so much fun on the set," Richardson recalled of their days on the show. "We would just crack up and just lose it and not be able to get it together."
Allen said he actually still sees Smith, who works with his oldest daughter, Katherine, on the production side of the entertainment business. Allen also plays golf with Richard Karn, who played Allen's right-hand man, Al Borland.
Last Man Standing is currently in its fifth season, and in the episode featuring Richardson, the actress reprises her role as Allen's neighbor, Helen Potts.
Last Man Standing airs Fridays at 8 p.m. ET/PT on ABC.