"My only hesitation is that it was the perfect experience, and I'm a little wary of returning to anything and have it be anything less than what it was," he tells Buzzfeed News' AM2DM, adding that "it was the perfectly wonderful six years." Lithgow says he's now "slowing down," so he might not have the stamina for the "high energy" sitcom.
TOPICS: John Lithgow, 3rd Rock from the Sun, Retro TV