Hunter x Hunter: Original Video Animation - episode 4 - 19 Feb, 2002

Killua swaps with Kurapika just in time, Gon and Killua are captured by the Phantom Troupe. The Spiders kill Squala and take his memories of Kurapika. Meanwhile, Gon's group ends up at the hotel where Leorio and Melody have set up a plan. (Source: Wikipedia) Yorknew City arc/Phantom Troupe arc: (22/26)