Baka to Test to Shoukanjuu: Matsuri - Sentaku ni Yotte Tenkai ga Kawaru "LIPS Eizou"  

Baka to Test to Shoukanjuu: Matsuri Special, Baka to Test to Shoukanjuu OVA Special, The Idiot, the Tests, and the Summoned Creatures OVA Special, Baka and Test: Summon the Beasts OVA Special, バカとテストと召喚獣 ～祭～ 選択によって展開が変わる「LIPS映像」

The promotional video for the Matsuri OVA, which was displayed at Comiket 78 and later posted online. It can be found on YouTube and the official website. Additionally, it comes with the first Blu-ray/DVD volume of the game. The style is reminiscent of a visual novel played on a Nintendo DS screen.

Note: Two other versions of this video are not included in the episode count, as they doesnt feature any new animation.