Jyuken Sentai Gekiranger Lesson 20: Gicho-Gicho! Triangle Opposition Match Season 1 Episode 20 Airdate: July 15, 2007 Synopsis Facing a deadline for saving Xia Fu from Rio, the Gekiranger challenge the Master Triangle in a series of matches in their respective style weakness. ← Lesson 19: Gokin-Gokin! Showdown with Rio All episodes Lesson 21: Biki-Biki-Biki-Biki! Extreme Ki Extremely →