DBZK Episode 63
From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
The Hunt for Doctor Gero! Discover the Hidden Laboratory! (追撃！ドクター・ゲロ…謎の研究所を探せ！, "Tsuigeki! Dokutaa Gero... Nazo no Kenkyuujo o Sagase!") is the sixty-third episode of Dragon Ball Kai and the fifth episode of the Androids Saga. The episode first aired on June 27, 2010. Its American airdate is March 17, 2011.