★ 5.4 Film
Ultraman Tiga Gaiden: Revival of the Ancient Giant
2001
Same creator (Hirochika Muraishi); both explore kaiju
★ 6.0 Film
Ultraman Zero Side Story: Killer the Beatstar - Stage II: Oath of the Meteor
2011
Both explore kaiju; both action and adventure
★ 5.7 Film
Ultraman Zero Side Story: Killer the Beatstar - Stage I: Universe of Steel
2011
Both explore kaiju; both action and adventure
★ 8.3 Film
Ultra Zero Fight
2012
Both explore kaiju; both action and fantasy
★ 5.6 Film
Daigoro vs. Goliath
1972
Both explore kaiju; both action and family
★ 7.0 Film
Ultraman Cosmos: The First Contact
2001
Both explore kaiju; both action and adventure