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;
Brothers (Star Trek: The Next Generation) his creator, Dr. Noonien Soong (Brent Spiner). Soong states he called Data to him using a form of automatic recall and makes a manual adjustment on Data to return him to normal. Soong tells Data that he is dying and wishes to give him an "emotion chip". As they talk, they are joined by Lore (Brent Spiner), also drawn by the same recall that Data received. Soong is shocked to learn Lore was reassembled, and when Lore attempts to claim the emotion chip as his own, Soong acknowledges that the androids are identical apart from minor variations in programming, but