For One Year War
Mobile Suit Gundam (43 Episodes) --> Mobile Suit Gundam Thunderbolt (8 Episodes) --> 08th MS Team (12 Episodes) --> War in the Pocket (6 Episodes) --> Stardust Memories (13 Episodes)

AND THEN

For Newtype Shenanigans
Mobile Suit Zeta Gundam (50 Episodes) --> Mobile Suit ZZ Gundam (50 Episodes) --> Char's Counterattack (Movie) ---> Mobile Suit Gundam Unicorn (7 Episodes) --> Mobile Suit Gundam Hathaway (Movie)

AND THEN

For Cock and Ball Torture
Mobile Suit Gundam F91 (Movie) --> Mobile Suit Victory Gundam (51)

S tier: War in the Pocket, Mobile Suit Zeta Gundam
A tier: Mobile Suit Gundam, 08th MS Team, Mobile Suit Gundam Unicorn
B tier: Mobile Suit Gundam Thunderbolt, Char's Counterattack
C tier: Mobile Suit ZZ Gundam, Stardust Memories, Mobile Suit Gundam Hathaway
D tier: Mobile Suit Victory Gundam, Mobile Suit Gundam F91