startrekpropauthority.com

6jXw TIL that when the studio behind ‘Star Trek’ received a letter from a builder asking how to make automatic sliding doors that opened and closed as fast as on the Enterprise, the reply explained that the doors were manually operated by an offstage crewman. If too late, cast would hit unopened doors.
XEAQ TIL Ronald Reagan visited the set of Star Trek The Next Generation in 1991 during filming of “Redemption”. He remarked “I like them [the Klingons]. They remind me of Congress.”