My Little Pony Friendship Is Magic isn’t just adorable — it’s also educational. Case in point: In this week’s new episode, Spike the dragon teaches Pinkie Pie all about genealogy, or the study of family history… right before Pinkie makes an astounding discovery that could link her own family to one of her closest pony pals.

Which pal, you ask? Well, you could read the episode’s title, which sort of gives away the secret — or you could just wait until the episode airs this Saturday at 10:30 a.m. ET on The Hub Network. And in the meantime, watch Pinkie have some fun with genealogy in this exclusive clip.