Thread:OfficialSapphire/@comment-27450650-20151228171508/@comment-27609224-20151228175147

I'm not talking about Hit the Diamond, I'm talking about Message Recieved, which is in the BirthdayBomb. Who knows, YD might appear in Hit the Diamond, but like I said I'm not talking about that.

My theory is that in Message Recieved, most likely this episode, the Gems find a yellow gem (YD) and it opens up (that part in the promo) and it's YD to Peridot's excitement. Seeing that she's being rescued by YD and she doesn't have to listen to the Gems anymore, she attacks them (you know, the part where she throws a truck at them in the promo), but then she sees how awful they feel and she decides to stay with them. YD swears revenge or whatever and leaves Earth, and it's a mega happy ending yayayayayay.