According to the official blog, the airing dates of the remaining two episodes of Girls und Panzer
were announced. The airing schedules on BS11 and AT-X channels haven't been fixed yet.
Episode 11: March 18th (Tokyo MX)
Episode 12: March 25th (Tokyo MX)
On February 14th in Akihabara, a live event "Girls und Panzer Valentine Carnival" was held and chocolate-like character cards were distributed. However, the second half of the event was canceled because unexpectedly large number of fans gathered in front of the shops.
Picture of the character card distributed in Akihabara
Crowd of Girls Panzer fans in front of Gamers shop
Source: Girls Panzer official blog
News credit: symbv