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 on DVD in March 2002. Throughout the year the next six seasons were released at various times on DVD, with the seventh season being released in December 2002. To commemorate the 20th anniversary of the series, CBS Home Entertainment and Paramount Home Entertainment released "Star Trek: The Next Generation – The Complete Series" on October 2, 2007. The DVD box set contains 49 discs. Between March 2006 and September 2008, "Fan Collective" editions were released containing select episodes of "The Next Generation" (and "The Original Series", "Deep Space Nine", and "Voyager") based on various themes. The individual episodes were chosen