Doraemon (2005) Episode 138: Welcome to the Center of the Earth (Part 1)
Episode 138 of 938 of Doraemon (2005), aired May 1, 2009, 30 minutes. Available with English subtitles and dub where released.
Episode summary
A new Doraemon series produced by the same team as the 1979 series (in association with Studio Pierrot) with new voice actors and staff and updated character designs.