Today's lesson is at the school's pool. Yokoi-san takes it very seriously, while Seki-kun messes around with his friends... and it appears that some familiar robots are back...
See? I knew it! He's fooling around, too.
Hah! Wusst ich's! Er macht auch Blödsinn.
¡Lo sabía!
¡Lo sabía!
J’en étais sûre !
Lo sapevo! Anche lui sta facendo lo sciocco.
Viu? Sabia! 
Ele também está brincando.