According to the twitter of Akamatsu Ken
, the DVD edition of Mahou Sensei Negima! Anime Final
will be 84 min long, extended by about 40 min from the original version shown at the theaters. Akamatsu added that the lines of the characters were modified to make them sound smarter. The DVD will be released on February 17th 2012.
Source: Akamatsu's twitter
Akamatsu Ken Regrets His Low Participation in the Production of Negima Anime Final
Doubts Cast on the Quality of Negima Anime Final