Episode 78 (2011)

Very × Rapid × Reproduction (キュウソク×ナ×ゾウショク, Kyuusoku × na × Zoushoku) is the 78th episode of the Hunter x Hunter 2011 series. It aired on May 5th, 2013.

Summary
The Queen orders Colt to bring her more humans. Colt brings more humans with his squad for the queen. The  queen feeds on the humans and gives birth to more squadron leaders,soldiers and carpenter ants. The carpenter ants build a nest. As the ants bring more humans for the queen, Kite,Gon,Killua and the Amateur Hunters search for the Chimera Ants.