[TokuChris]

As to what Rangers we'd see for a Red Ranger 25th anniversary photo?

1. MMPR Red
2. Alien Red
3. Zeo Red
4. Turbo Red
5. In Space Red
6. Lost Galaxy Red
7. Lightspeed Red
8. Time Force Red
9. Quantum Ranger
10. Wild Force Red
11. Ninja Storm Red
12. Dino Thunder Red
13. SPD Red
14. Mystic Force Red
15. Operation Overdrive Red
16. Jungle Fury Red
17. RPM Red
18. Samurai Red (male)
19. Samurai Red (female)
20. Megaforce Red
21. Super Megaforce Red
22. Dino Thunder Red
23. Ninja Steel Red 1
24. Ninja Steel Red 2
25. Ninja Steel Red 3

There's no other explanation to have all three Red Ninja Steel Rangers appear in the first half finale other than to use them for that poster during Super Ninja Steel without spoiling the end of Super Ninja Steel.