Evolution (Star Trek: The Next Generation) neutronium as a result of a stellar explosion that occurs every 196 years and is due to occur in the next few hours. Stubbs plans to launch a probe, dubbed the Egg, to gather the data, a result of a lifetime's development. Meanwhile, Chief Medical Officer Dr. Crusher (Gates McFadden) has returned to her duties on the "Enterprise" after a stint at Starfleet Medical. As the expected time of the stellar explosion nears, the ship malfunctions in odd ways, and the issue is traced to the computer core. Acting Ensign Wesley Crusher (Wil Wheaton), who had been working on a
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