The best Simpsons episodes up to august 2014, according to Rolling Stone. "Who Shot Mr.Burns" counts as one episode here. Source: https://www.rollingstone.com/tv/tv-news/springfield-of-dreams-150-best-simpsons-episodes-229356/
The Dark Secrets of the Simpsons is a collection of episodes that was released on 28 April 1997 on VHS and on 8 September 2003 at DVD as part of the series The Simpsons Classics.
Episode "Homer the Great" was released only on VHS and "Homer to the Max" only on DVD.
All of the TV episodes which I have watched in 2018