Template:OTD/December 18


 * 1999: Episodes 31 and 32 of Digimon Adventure premiere in North America.
 * 2002: Episode 21 of Digimon Frontier premieres in North America.
 * 2010: Chapter 6 of Digimon Xros Wars is published in Japan.
 * 2011: Episode 66 of Digimon Xros Wars is published in Japan.