Sword Art Online: Extra Edition TV-CM have been released today! This New Years’ special episode will air in Japan on December 31, 2013 at 10PM (JST). There will also be a worldwide simulcast on websites, such as Crunchyroll, on December 31, 2013 at 7AM (PST).

Episode Synopsis:

Kirito and the gang decide to challenge an ALO underwater quest when they learn Yui wishes to see a whale. Finding out that Leafa (aka Suzuha) cannot swim at all, Asuna and the girls to give Suzuha a special swimming training in the real world. On the other hand, Kirito meets face-to-face with a certain person—

The new TV-CM includes some scenes from the upcoming episode and Eir Aoi’s new song “Niji no Oto”! Her new single will be released on january 1, 2014.

Watch the trailer below!

SOURCE: DENGEKIONLINE