Ryo Shoots an Own Goal - S1-E23
Other mistake: After the own goal, Misugi and Yayoi are talking. Behind Misugi, someone is holding a small book open without using their hands. (00:15:30)
Love and Other Four Letter Words - S1-E12
Other mistake: Right at the end of the scene, when Christa is screaming after she sees the mouse in the hut, watch as the shot fades out into the next one she starts laughing.