Tonari no Seki-kun Specials (Sub)
Watch Tonari no Seki-kun Specials full episodes online enghlish sub
Synopsis: Two unaired episodes included in the DVD Set release of Tonari no Seki-kun series.
#1. Field Trip (Rinkan Gakkou) (first volume)
#2. Snow Playing (Yuki Asobi) (second volume)
More info: Myanimelist, wikipedia