Rival franchises

[billd91]

Tastes Great vs Less Filling

 

[Bacon Bits]

XBox vs Playstation
Call of Duty vs Battlefield
Magic vs Yu-Gi-Oh or Hearthstone
AD&D vs Basic D&D
D&D vs GURPS
D&D vs Vampire
Mario vs Sonic
Final Fantasy vs Dragon Quest
Doom (2016) vs Doom Eternal
Starcraft/Warcraft vs Command & Conquor or Age of Empires

 

[Lidgar]

King Arthur vs the Black Knight
Tim vs The Rabbit
Red vs Blue

 

[Snarf Zagyg]

 

[payn]

Best ones from my childhood
Sega vs Nintendo
Transformers vs Gobots
Bauer vs CCM
Sunny D vs 5 Alive
MTV vs VH1

 

[billd91]

Babylon 5 vs Deep Space 9
Lost in Space vs Star Trek

 

[billd91]

Brady Bunch vs Partridge Family

 

[billd91]

Batman Family vs Superman Family

 

[Cadence]

Sesame Street vs. Captain Kangaroo

 

[billd91]

Legion of Superheroes vs Shi’ar Imperial Guard