Anne of Green Gables The Sequel - 1987 TV was released on:
USA: 19 May 1987
West Germany: September 1988
Poland: 15 April 1990
Anne of Green Gables The Animated Series - 2000 Marbles was released on: USA: 4 February 2001
Anne of Green Gables - 1985 TV was released on: Canada: 1 December 1985 USA: 17 February 1986 West Germany: 2 November 1986 Denmark: 30 March 1988 Sweden: 24 August 1988 Japan: 22 July 1989 Poland: 24 December 1989
Spider-Man - 1981 Revenge of the Green Goblin 1-10 was released on: USA: 14 November 1981
Spider-Man and His Amazing Friends - 1981 The Triumph of the Green Goblin 1-1 was released on: USA: 12 September 1981
This is the asker. I found a table that listed the exact release dates of every episode, minus the omakes and Wedding Peach DX. I added them to Wedding Peach's Wikipedia article.
Anne of Green Gables The Animated Series - 2000 A Walk in His Shoes was released on: USA: 8 February 2001
Anne of Green Gables The Animated Series - 2000 A Square Peg was released on: USA: 1 February 2001
Pepper Ann - 1997 Cocoon Gables Green-Eyed Monster 2-2 was released on: USA: 19 September 1998
Anne of Green Gables The Animated Series - 2000 Marbles was released on: USA: 4 February 2001
The Detonators - 2009 Coral Gables 1-4 was released on: USA: 18 February 2009
Anne of Green Gables - 1985 TV was released on: Canada: 1 December 1985 USA: 17 February 1986 West Germany: 2 November 1986 Denmark: 30 March 1988 Sweden: 24 August 1988 Japan: 22 July 1989 Poland: 24 December 1989
Action Hero The Sequel - 2012 was released on: USA: 30 March 2012
Beside Myself the Sequel - 2012 was released on: USA: 20 July 2012 (internet)
Matinee Theatre - 1955 The House of the Seven Gables 1-113 was released on: USA: 6 April 1956
Shirley Temple's Storybook - 1958 The House of the Seven Gables - 2.12 was released on: USA: 11 December 1960
Wanna Watch a Sequel - 2013 was released on: USA: 16 March 2013 (180 Film Festival)
Shirley Temple's Storybook - 1958 The House of the Seven Gables 2-12 was released on: USA: 11 December 1960