I only realized that they were watching Beautiful World because one of the members were holding the same small photo book included in the DVD (that I have). LOL.
I’m pretty sure it was Kotoba Yori Mo; and then Ai-chan shouted, “Aishiteruuuu!!” Which is why J and Nino laughed ;)
The episode won’t air until August 09, sadly… ;_;
But I’m sure it’s going to be worth it ^^