Hamtaro Episode 27: The Snowball Fight!
Episode 27 of 193 of Hamtaro, aired January 5, 2001, 30 minutes. Available with English subtitles and dub where released.
Episode summary
When the snowstorm ceased, Laura and Kana decide to ice skate, while Hamtaro recruits his Ham-Ham friends to venture outside into the cold to have some fun. Boss and Stan start a showdown to determine who is the ""King Ham of the Snow"" and soon all the Ham-Hams are engaged in a snowball fight.