The Tokyo Metro 08 series is an electric multiple unit (EMU) train type operated on the Tokyo Metro Hanzōmon Line in Tokyo, Japan since 2003. Introduced into service on 7 January 2003, a total of six ten-car trainsets were manufactured by Nippon Sharyo between 2002 and 2003 to augment the 8000 series trains following the extension to Oshiage.