Not All Dogs Go to Heaven "American Dad!" character, Avery Bullock in "Lois Kills Stewie" (season 6, episode 5), and his "Star Trek: The Next Generation" character Captain Jean-Luc Picard in "Peter's Got Woods" (season 4, episode 11); Jonathan Frakes, Michael Dorn and Marina Sirtis also appeared in "Peter's Got Woods" as their respective "Star Trek: The Next Generation" characters William Riker, Worf, and Counsellor Deanna Troi. "Not All Dogs Go to Heaven" features the entire original cast of "Star Trek: The Next Generation": Stewart as Captain Picard; Frakes as Riker; Gates McFadden as Doctor Beverly Crusher; Brent Spiner as Lieutenant Commander Data; Dorn as Worf;
Star Trek: The Next Generation a Nielsen rating of 18.8. "Star Trek"s ratings went into a steady decline starting with Season 6 of "TNG", and the second to last episode of "DS9" achieved a Nielsen rating of 3.9. Video games based on "The Next Generation" TV series, movies, and characters include: The Enterprise and its setting is also in other Trekiverse games like "" (2000). For example, in "Star Trek: Armada" voice actors from "The Next Generation" returned to their characters in the game including Patrick Stewart reprised the roles of Jean-Luc Picard and Locutus, Michael Dorn voiced Worf, Denise Crosby reprised Sela, and J.