Effects. In addition, "The Inner Light" became the first television episode since the 1968 original series Star Trek episode "The City on the Edge of Forever" to win a Hugo Award for Best Dramatic Presentation. Season five had the introduction of a jacket for Picard, worn periodically throughout the rest of the show's run. The observation lounge set was altered with the removal of the gold model starships across the interior wall and the addition of lighting beneath the windows. Recurring character Ensign Ro Laren was introduced in the fifth season. The season ran from 1991 to 1992. Season 6 (1992–1993) With the creation of Star Trek: Deep Space Nine, Rick Berman and Michael Piller's time were split between The Next Generation and the new show. Three sixth-season episodes were nominated for Emmys. "Time's Arrow, Part II" won for both Outstanding Individual Achievement in Costume Design for a Series and Outstanding Individual Achievement in Hairstyling for a Series, and "A Fistful of Datas" won for Outstanding Individual Achievement in Sound Mixing for a Drama Series. The highest Nielsen-rated episode of Season 6 was "Relics", with a rating of 13.9. The episode featured Original Series character Scotty played by James Doohan. Additionally, NASA astronaut Mae Jemison played Lt. Palmer in "Second Chances". The season 6 finale cliffhanger includes a cameo by Stephen Hawking (Part I of "Descent"). The season ran from 1992 to 1993. Season 7 (1993–1994) The seventh season was The Next Generations last, running from 1993 to 1994. The penultimate episode, "Preemptive Strike", concluded the plot line for the recurring character Ensign Ro Laren and introduced themes that continued in Star Trek: Deep Space Nine and Star Trek: Voyager. The Next Generation series finale, "All Good Things...", was a double-length episode (separated into two parts for reruns) that aired the week of May 19, 1994, revisiting the events of the pilot and providing a bookend to the series. Toronto's SkyDome played host to a massive event for the series finale. Thousands of people packed the stadium to watch the final episode on the stadium's JumboTron. Five seventh-season episodes were nominated for nine Emmys, and the series as a whole was the first syndicated television series nominated for Outstanding Drama Series. To this day, The Next Generation is the only syndicated drama to be nominated in this category. "All Good Things..." won for Outstanding Individual Achievement in Special Visual Effects,