Saosae Robo ￥ Benten'ou!! (E39)

Kaito and gang get incredibly close to capturing Benten, but ultimately fail due to Momiji Kurenai, an enemy spy. Their next strategy is an ambush on the Tower of Seizure. The group heads to Kureha Shrine, where the Tower of Seizure stands, but as they attempt to carry out their plan, the tower transforms into the giant robot, King Benten! Can they save Hiroshima from its rampage?! (Crunchyroll)