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 (season 5) classmates (). The season ends with the discovery of Data's head in a cave under San Francisco which had been sealed for 500 years, and eventually with Data, Picard, La Forge, Troi, Riker, and Doctor Crusher trapped in 19th century Earth (). Graphical Changes are evident during the opening credits where "Star Trek" and "The next generation" have a rear shadow. This is only seen on episodes 1-26 (Overall No's 127-152) In Season 5. They are not evident in any other season In the following table, episodes are listed by the order in which they aired. <onlyinclude></onlyinclude> Star Trek: The