リューギの失くした指輪を手にした、2体目のゴジュウティラノは、自称「お茶の星」からやってきたアッサム王子！ゴジュウジャーたちはアッサムの正体を知り、アッサムが巻き起こす様々なトラブルに巻き込まれていく…！
一方、もちつきNo.1による地獄の餅つき大会がスタート！No.1バトルで、ホエルは最高の餅つきを目指して奮闘するが、アッサムは…！？
The second GozyuTyranno, who took Ryugi's missing ring in his hand, is Prince Assam, who came from the self-proclaimed "Tea Planet"! The Gozyugers find out and get caught up in all kinds of trouble caused by Assam...!?
Meanwhile, Mochitsuki No.1 has started a hellish mochi-pounding competition! Hoeru tries his best to make the best rice cakes in the No.1 Battle, but Assam...!?
