Most of the production staff would return to produce two additional television series and an original video animation (OVA) series. The 13-episode second season, titled , aired between July 4 and September 26, 2004 on TV Tokyo. The series was later released by Geneon to six VHS and DVD compilation volumes from October 2004 to April 2005. The third season, a five-episode OVA series titled "Maria-sama ga Miteru", was released on DVD from November 29, 2006 to July 25, 2007; each episode is approximately 50 minutes long. The 13-episode fourth season, again titled "Maria-sama ga Miteru", aired between January 3 and March 28, 2009 on AT-X. The series was released by Geneon to six DVD compilation volumes from March to August 2009. Instead of Yukihiro Matsushita who had directed the first three seasons, the fourth season is directed by Toshiyuki Katō.