Your question can't be answered as you've written it.
A: There is no "original series", that implies there's a second incarnation of The Simpsons.
B: There hasn't been a "last" episode as the show has yet to be cancelled.
September 8, 1966 - April 13, 1967
6 episodes
There were 10 series of the Spooks TV series. The first series comprised of 6 episodes, 2nd - 6th series had 10 episodes, 7th - 9th series had 8 episodes and the final 10th series had 6 episodes.
The original Law and Order series premiered in September 1990.
The original Law and Order series averaged 22-23 episodes per season. Law and Order Criminal Intent averaged 22 episodes per season for the first seven seasons; seasons 8 and 9 were 16 episodes per season; and season 10 was 8 episodes. Law and Order SVU has averaged (for the first 13 completed seasons) 22-23 episodes per season.
The original 1978 series lasted one season, but books continued to expand on the story. The re-imagined series went for 6 Seasons and Included as separate additional films Razor, The Plan, and has a Prequel called Blood & Chrome
"The Honeymoon" : September 26, 1969 - "The Hair-Brained Scheme" : March 8, 1974 .
there were 60 episodes in the first series of the wombles
The first DVD of the TV series Doctor Who was released in October 2002. It has four episodes from the first season and has the episodes from the Aztec storyline.
There are 24 episodes in the first season of World series.
6 episodes
yes it is. its episodes 1-26. they are sold on dvd.
23 Episodes ♥
There were 10 series of the Spooks TV series. The first series comprised of 6 episodes, 2nd - 6th series had 10 episodes, 7th - 9th series had 8 episodes and the final 10th series had 6 episodes.
Ashfur first appeared in the original series of Warriors, in the book "Into the Wild." He is introduced as an apprentice named Ashpaw.
There are 726 episodes of Star Trek in total: 79 episodes of The Original Series + 1 pilot 22 episodes of The Animated Series 178 episodes of The Next Generation 176 episodes of Deep Space Nine 172 episodes of Voyager 98 episodes of Enterprise
watch all episodes
The original Law and Order series premiered in September 1990.