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
Star Trek: The Next Generation unknown actors would be more profitable than paying the films' actors' large salaries. Roddenberry initially declined to be involved, but came on board as creator after being unhappy with early conceptual work. "Star Trek: The Next Generation" was announced on October 10, 1986, and its cast in May 1987. Paramount executive Rick Berman was assigned to the series at Roddenberry's request. Roddenberry hired a number of "Star Trek" veterans, including Bob Justman, D. C. Fontana, Eddie Milkis and David Gerrold. Early proposals for the series included one in which some of the original series cast might appear as "elder statesmen",