The Identity is Exposed!? The Alien in Class 3, Grade 2 - S1.E40

Madoka's Father, Fuyuki, receives a picture of Lala during the last Notraider attack and confronts her at the spaceship. Although Hikaru and Elena defend her with the help of Abraham and Yuni, Fuyuki still doesn't believe them and vows to discover the truth. The next day at school, everyone begins behaving strangely towards Lala. Hikaru confronts the class and finds out from Sakurako that Fuyuki spoke to her about Lala being an alien and that several members of the class remember strange things happening whenever Lala was around.