Kishiryu Sentai Ryusoulger The Movie: Time Slip! Dinosaur Panic!!

Other name: 騎士竜戦隊リュウソウジャー THE MOVIE タイムスリップ！恐竜パニック!!

Synopsis:
The Ryusoulgers end up in the Mesozoic Era where they learn the truth of their ancestors’ warlike nature as they are forced to fight them and Gaisorg to save the future.