★ 7.2 Film
Ultra Galaxy Legend Side Story: Ultraman Zero vs. Darklops Zero - Stage I: Cosmic Collision
2010
Same creator (Hideki Oka); both explore kaiju and ultraman
★ 8.0 Film
Akio Jissoji's Ultraman
1979
Both explore kaiju and ultraman; both action and adventure
★ 7.0 Film
Ultraman Saga
2012
Same creator (Hideki Oka); both explore kaiju and ultraman
★ 5.7 Film
Ultraman Zero Side Story: Killer the Beatstar - Stage I: Universe of Steel
2011
Both explore kaiju; both action and adventure
★ 6.0 Film
Ultraman Zero Side Story: Killer the Beatstar - Stage II: Oath of the Meteor
2011
Both explore kaiju; both action and adventure
★ 8.3 Film
Ultra Zero Fight
2012
Same creator (Hideki Oka); both explore kaiju