Strongest Forms (formerly Final Forms) are the fourth transformed form after Super Forms are obtainable for Super Sentai. This only Red Sentai Ranger forms can do.
With in the movie, special or team-up, Samuel obtains the powerful form than his Strongest Forms called Ultimate Forms (formerly Extra Final Forms) first introduced in Singular Rider S and later appearance Dinoranger, the last transformed form. However, the Extra Final Form reused in the series or video games can be reappearance. Other users was Peter or second main characters.
Singular Rider[]
Strongest Forms[]
- Eternal Singular Rider
- Fatal Singular Rider (no used after he presumed destroys the possessed ghost)
- Evolution Customiz Rider
Ultimate Forms[]
- Singular Rider S (evolved from Eternal Singular Rider)
- Singular Rider COMPLETE (a final evolved version of Singular Rider S)
Doubler Rider[]
Strongest Forms[]
- Ultimate Doubler Rider (when he able used 40 Memories)
Zyuranger[]
Strongest Forms[]
- Tyrannoranger SuperArmed (used to beat Dora Mirage and Bandora)
Ninjaman[]
Strongest Forms[]
- Super RedNinja (when someone call him boya or do himself)
Spaceranger[]
Strongest Forms[]
- SpaceRed Supernova Form
Gingaman[]
Strongest Forms[]
- GingaRed Rising Survival
Ryuki Rider[]
Strongest Forms[]
- Goldeonix Rider (Samuel's only main and final form)
- Survive Mode (All Riders' final forms)
KABUTO Rider[]
Strongest Forms[]
- KABUTO Riders' Hyper Forms (All Riders' final forms)
JACK Rider[]
Strongest Forms[]
- JACK Riders' Random Final Forms (All Riders' final forms)
Gaoranger[]
Strongest Forms[]
- GaoRed Wild Form (used the power of GaoKong)
- GaoRed Summoner Form (when using GaoFlute Summoner Mode)
Tornadoger[]
Strongest Forms[]
- TornadoRed Double Form (when he summons Knuckle, Movie)
- TornadoRed Gozen Mode (when he summons Gozen)
Dinoranger[]
Strongest Forms[]
- DinoMax All Abaren (when he combines strength and 13 Kyoryugens' armaments)
Ultimate Forms[]
- DinoMax AbarenDoubleGozen Mode (when he combines strength, 13 Kyoryugens' armaments and summons both Knuckle and Gozen, Movie)
Dekaranger[]
Strongest Forms[]
- DekaRed Patstyker Attacker (used to defeat Sadako)
Agido Rider[]
Strongest Forms[]
- Agido Infinity Rising
- Nigida Mirage
- GX4 Metamorphosis
- Igita Shining Wing
- Zigido Legendagor
Magiranger[]
Strongest Forms[]
- MagiRed Meijushin Form (combined form of MagiRed, Hauko and Drakor)
- MagiRed Shinijinka Form (evolved form of MagiRed Legend Mode, Only Samuel)
Kivata Rider[]
Strongest Forms[]
- Kivata Emperora Form (evolved from Blank Kivata)
- Kivata Four Styles (when he calls Fangiras, Ramon, Suzuna and Blair)
Extra Final Forms[]
- Kivata Three Emperora Styles (when he calls Fangiras, Ramon and Suzuna Taki, incompleted form)
- Kivata Four Emperora Styles (when he calls Fangiras, Ramon, Suzuna Taki and Blair, complete form)
Gekiranger[]
Strongest Forms[]
- GekiRed Solaris Mode
- SAGA Rider Saver
Liner Rider[]
Strongest Forms[]
- Liner All Form (when he summoned all six Singler Points)
Ultimate Forms[]
- Liner Fusion Form (when he summoned Ryotaro and the three small and good Gigandeaths, Movie)
Go-Onger[]
Strongest Forms[]
- Go-OnRed Cosmix Form
- Go-OnRed AllDragonFormation Form
- BIRTH Rider BIRTHDAY Mode
Ultimate Forms[]
- Go-OnRed Fusion Form (Used by Samuel with Fusion Key when he unlocks Kazemaru's friendship and Asami's wishes)
- Go-OnRed GoldExtra Form
- Go-OnRed AllDragonFinishStrike Form
- Go-OnRed AllDragonFinishStrikeGold Form
- Go-OnRed Infinite Form (Used by Samuel with Infinite Keylock when he unlocks the Ratatosk's and Rin's powers within his tamashii)
Triplet[]
Strongest Forms[]
- Ultimate TaRaiKai (given by Takashi and the others as he no longer use)
- Tajadol
- Gatakiriba
- Latoratar
- Shauta
- Saigozou
- Putotyra
- Burakawani (when he team-up)
- TaRaiKai SP (main used after his old form was given by Takashi as a part of successor)
Tajadol
Gatakiriba
Latoratar
Shauta
Saigozou
Putotyra
Burakawani
Ultimate TaRaiKai
Ultimate Forms[]
- Super-Ultimate TaRaiKai (when he combining all seven combo, Lady Bat and two spacians)
Shinkenger[]
Strongest Forms[]
- ShinkenRed ShogunKyoryu
Goseiger[]
Strongest Forms[]
- Shogu GoseiRed
Pirateger[]
Strongest Forms[]
- Zeed Mode
Ultimate Forms[]
- Gokai Rainbow Mode