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
Chain of Command (Star Trek: The Next Generation) no opportunity to learn his lines. In response, the dialogue were written onto boards for him to read out as he went along. He preferred the Madred character to either of his previous "Star Trek" characters because of the scenes with Stewart, which he called "wonderful". This two-part episode is ranked tenth in "Entertainment Weekly"s list of top 10 "Star Trek: The Next Generation" episodes. Chain of Command (Star Trek: The Next Generation) "Chain of Command" is a two-part episode of the American science fiction television series "". It aired as the 10th and 11th episodes of the , the