HUNTER×HUNTER: Greed Island Episode 5: Invitation x List x Rock, Paper, Scissors!
Episode 5 of 8 of HUNTER×HUNTER: Greed Island, aired March 19, 2003, 23 minutes. Available with English subtitles and dub where released.
Episode summary
Gon and Killua are invited to join an alliance but decide not to and go on their own. The mistyrious girl follows them. They win their first card in a "Rock, Paper, Scissors" competition. It is card #83, "The Sword of Truth".