After an incident where four Time Defense Bureau agents rebel against him while trying to assist in defeating the G-Zord that emerged on December 23rd-24th, 2000, TDB leader Captain Ryuya warns the Timeranger that because of their actions, they will soon face "The Great Annihilation". He doesn't reveal what the event is, but abandons the four rebellious agents to this fate alongside their actual leader: his ancestor Tatsuya Asami.Case File 44: The Revolt Against Time