Sentai dgaf man.
Mei and Dan, the Zyuranger equivalents of Kimberly and Billy, flat out killed people when they went 'Punk' in their version of that episode: https://youtu.be/lpNNm5YJRNQ?t=558
In Dynaman, a Toad Monster tried to hypnotize a bunch of brides into marrying him after kidnapping them from their weddings.
In Gaoranger, one villain temporarily killed nearly the whole team: https://www.youtube.com/watch?v=6lZKVFW6Fvo
It is, more often than not, darker than Power Rangers with some rare exceptions here and there, due to different standards.