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;
Lessons (Star Trek: The Next Generation) VHS cassette on August 4, 1998. The episode was later included on the "Star Trek: The Next Generation" season six DVD box set, released in the United States on December 3, 2002, and on Blu-ray on June 24, 2014. Lessons (Star Trek: The Next Generation) "Lessons" is the 19th episode of the of the American science fiction television series "" and was originally aired in the United States on April 5, 1993, in broadcast syndication. Set in the 24th century, the series follows the adventures of the crew of the Starfleet starship USS "Enterprise"-D. In "Lessons", Captain Picard's (Patrick Stewart)