When Kunio finds a wedding dress catalog at home, he suspects his mother will marry someone behind his back. Overprotective of his mother, Kunio will stop at nothing to stop her wedding.
Are you serious?
You've got to be kidding!
هل أنتِ جادّة؟ لا بدّ وأنكِ تمزحين
Ist das dein Ernst?
Du musst Witze machen!
¿Es en serio? ¡Debe ser una broma!
¿Va en serio? ¡Tiene que ser una broma!
Está falando sério? Só
 pode ser brincadeira!