Fordzy

Complete Canon Watch/Read Order

2257 : January 3-8, Pilot Movie : The Gathering Special Edition

2258 : Signs and Portents (Season 1) 

Episodes 1- 13

Episode 15-16

Episodes 18-21

Episode 14

Episode 17

Episode 22

2259 : The Coming Of Shadows (Season 2) 

2259 January, B5 Comics #1: In Darkness Find Me (continuation of Sinclair's story, takes place concurrently with the main story)

Episodes 1-2

B5 Comics #2-4: Treason, In Harm's Way, The Price of Peace (continuation of  Sinclair's story)

Episodes 3-6

Episode 8

Episode 7

B5 Comics #5-8: Shadows Past and Present (continuation of Sinclair's story)

Episodes 9-15

Episode 17

Episode 16

Novel : The Shadow Within (Takes place in 2257, Anna Sheridan's story about her Icarus expedition to Z'ha'dum and how she got lost, should be read here).

B5 Comic : The Psi Corps and You! (in-universe propaganda comic)

Episodes 18-22

2260 : Point of No Return (Season 3)

Episodes 1-11

Episode 13

Episode 12

Episodes 14-15

Episode 18

Episodes 16-17, War Without End Part I and Part II

Novel : To Dream in the City of Sorrows (conclusion of Sinclair's and Catherine's story, Main narrative February to November 2259 - Framing story December 6 2260, after Grey 17 is Missing, but is better to read it here after War Without End)

Episode 19, Grey 17 is Missing

2260 October 26, Dining on Babylon 5(in-universe humorous cookbook authored by "Emerson Briggs-Wallace", owner of The Fresh Air Restaurant.)

Episodes 20-22

2261 : No Surrender, No Retreat (Season 4)

Episodes 1-6

B5 Comics : In Valen’s Name #1-3 (epilogue to Sinclair's story and Babylon 4)

Episodes 7-8

Movie : Thirdspace

Episode 9-22

Movie : In The Beginning (framing story takes place in 2278 and main narrative 2245-2249 flashback to the Earth-Minbari War, but can be seen safely from this point.

Babylon 5 Security Manual (in-universe manual written by Garibaldi, updated by Zack)

2262 : The Wheel of Fire (Season 5)

Episodes 1-2

2262 January 21-22, Short Story : Hidden Agendas

Episodes 3-7

Episodes 9-12

Episode 8

Episodes 13-17

2262 August 14-18, Episode 18

2262 August 20-29, Short Story : Shadow of His Thoughts

2262 August 19-September 11, Episodes 19-21

2262 October 15-18, Short Story : Genius Loci

2263 June, Movie : River of Souls

2265 Short Story: The Nautilus Coil

2265 March, Movie : The Legend of the Rangers (Pilot for cancelled Rangers spinoff series)

Crusade

2266 December 17-30, Movie : A Call to Arms (Pilot movie for Crusade spinoff series)

2267 Crusade Season 1 ("All Inclusive Order" with unfilmed scripts)

"War Zone" 
"Ruling from the Tomb"
"The Long Road" 
"The Path of Sorrows"
"Appearances and Other Deceits"
"Racing the Night"
"The Needs of Earth"
"The Memory of War" 
"Visitors from Down the Street" 
"Each Night I Dream of Home" 
o To the Ends of the Earth
"The Rules of the Game"
"Patterns of the Soul" 
"The Well of Forever" 
o Value Judgments
o Tried and True
o War Story
o End of the Line
o Little Bugs Have Lesser Bugs

2269 November, Short Story : True Seeker

2271 The Lost Tales Movie: Voices in the Dark

The Lost Tales mini comic about G'kar and Franklin

The Lost Tales : unproduced third episode script about Garibaldi.

Novels : The Passing of the Techno-Mages Trilogy (Take place between 2258-2261 but should be read after Crusade).

Novels : The Psi-Corps Trilogy

2115-2189 : Dark Genesis - The Birth of the Psi Corps (birth of the corps, should not be read before finishing B5).

2195-2258 : Deadly Relations - Bester Ascendant (Bester youth, should not be read before finishing B5)

2271-2281 : Final Reckoning - The Fate of Bester (finish B5 Telepath/Bester arc)

Novels: The Legion of Fire Trilogy (finish most of B5 unresolved arc) :

2262-2267 : The Long Night of Centauri Prime

2266-2273 : Armies of Light and Dark

2274-2278 : Out of the Darkness

2281 : Epilogue Episode : Season 5 - Episode 22 : Sleeping in Light

Short story : Space, Time, and the Incurable Romantic (Epilogue to Marcus' story 2560-2593)