What Time is it? Completely unoriginal idea Time!
Its been done to death, but I still think its cute.
Y'know on the one hand, I don't really like it when a character is introduced for the soul purpose of being a love interest. I mean, sure Bubblegum is a love interest, but she's her own character first and a love interest second. BUT, on the other hand, I just find flame princess to be adorable ^^... Though I really do hope that future episodes will give her a chance to come into her own so she can be more than a love interest; though that might be an uphill fight given her introduction
Finn The Human, Jake the Dog, and Flame Princess all belong to Cartoon Network