The Ghostbusters IDW Timeline Canon includes the events in the movies Ghostbusters and Ghostbusters II, select elements of the realistic and stylistic versions of Ghostbusters: The Video Game, and Tobin's Spirit Guide from Insight Editions; which lead off to the IDW take on the "Prime" Ghostbusters. The canon introduced multiple dimensions to the Ghostbusters Universe. This canon uses the multiple dimensions to allow other timelines to co-exist within it.

List of Dimension

This lists media used that formed the backdrop for a given dimension. Some elements might be slightly changed for inclusion so to not derail the main given narrative. While previously, some dimensions were part of the same canon, it is noted that a given crew was taken from a slightly different dimension from the other, even though they seem to be from the same canon in a different time.

Prime Dimension

  • Ghostbusters IDW Ongoing Series - The main ongoing series: Volume One (16 issues), Volume Two (20 issues), Teenage Mutant Ninja Turtles/Ghostbusters (4 issues), Ghostbusters Get Real (4 issues), Annual 2015, Volume Three (11 issues), Annual 2017, Ghostbusters 101 (6 issues), Teenage Mutant Ninja Turtles/Ghostbusters 2 (5 issues), Annual 2018, Ghostbusters Crossing Over (8 issues), 35th Anniversary: Ghostbusters (1 issue), Transformers/Ghostbusters: Ghosts of Cybertron (5 issues), and Ghostbusters Year One (4 issues).

68-R Dimension

Based on the animated series, The Real Ghostbusters. Based squarely on the show, from episodes like "Janine Melnitz, Ghostbuster", this is the main source of the 68-R Dimension.

68-E Dimension

Based on the animated series, Extreme Ghostbusters. It is the main source of the 68-E Dimension.

  • The Real Ghostbusters - As Extreme Ghostbusters is a spin off of The Real Ghostbusters, all canon is suggested to have happened by characters from 68-E until otherwise contradicted. The memo in Crossing Over #5 states that the Egon 68-E does not have all the same memories of Egon 68-R.

68-Q Dimension

Based visually on the animated series Slimer!.

68-M Dimension

Based visually on the series Tokyo ESP one episode called "Scene 03 Penguin and Girl".

68-V Dimension

A dimension where the Ghostbusters based their operations in Greenwich Village and were succeeded by Mike the Golem and Robo-Buster.

  • IDW Ongoing Series Appearances - Annual 2018, Ghostbusters Crossing Over (Issues: #2, #3, #4)

11-W Dimension

Based on Ghostbusters: The Video Game (Stylized Versions) and the story-line in the video game.

50-S Dimension

Based on Ghostbusters: Sanctum of Slime and the story-line in the video game.

35-N Dimension

Based visually on the New Ghostbusters II Video Game.

80-C Dimension

Based on Ghostbusters (2016 Movie).

Other Dimensions of Note

Many other dimensions were seen or visited by the Ghostbusters, some with alternate versions of Ghostbusters and some without. Only those with a major interaction with the "Prime" Ghostbusters will be listed here.

Teenage Mutant Ninja Turtles

Based on the IDW canon of the Teenage Mutant Ninja Turtles.

  • IDW Ongoing Series Appearances - Teenage Mutant Ninja Turtles/Ghostbusters (4 issues), Teenage Mutant Ninja Turtles/Ghostbusters 2 (5 issues)

Zoo Amsterdam

A dimension occupied by the Ghostbusturtles, an alternate version of Ghostbusters who are humanoid turtles.

  • IDW Ongoing Series Appearances - Teenage Mutant Ninja Turtles/Ghostbusters 2 (#2, #3, #4)

00-D Dimension

A dimension occupied by the Ghostbusters Beyond, made up of the good half of the prime dimension's Rachel Unglighter's divinity and the OO-D version of Louis Tully, and home to a world where society evolved with magic instead of science.

  • IDW Ongoing Series Appearances - Ghostbusters Crossing Over (Issues: #4, #5, #6)

Reasons for Canon

The IDW canon is based on the Movie Canon but advances forward in time with new busts and apocalyptic events as well as using multiverse theory to include versions of other canons.

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