Masks (Star Trek: The Next Generation) the entire "Star Trek: The Next Generation" series. Technically, it was chosen as second-worst, but Empire decided that ""—its initial choice for worst episode—didn't count, because "Shades" was a flashback 'clip' episode. Masks (Star Trek: The Next Generation) "Masks" is the seventeenth episode of the of the American science fiction television series "", the 169th episode overall. An alien archive, like an alien Library of Alexandria, initially appearing as a rogue comet because of accumulated matter, transforms the "Enterprise" as well as adapting Lieutenant Commander Data for a re-enactment of its culture's mythology, including the creation of two masks which
Time's Arrow (Star Trek: The Next Generation) a time travel loop in which causal order is not upset, or, in other words, in which no strictly logical paradoxes ensue." Time's Arrow (Star Trek: The Next Generation) "Time’s Arrow" comprises the 126th and 127th episodes overall, and 26th episode of the and first episode of the of the American science fiction television series "". A two-part episode of "Star Trek: TNG", the first episode was a cliffhanger season finale for the fifth season and the second episode was the premiere for the sixth season. The second part of the episode was nominated for three Creative Arts Emmy Awards,