Beemo and Gunther

Beemo and Gunther is the spin-off series of Adventure Time that premeires in 2013. It features Gunther and Beemo journeying through Ooo, with Beemo falling in love with Mini Princess (He understands her) and Gunther talking.
PLOT
It shows Beemo sneaking off and finding Gunther waiting outside. Beemo takes him to the Little Kingdom, where small people like them live. Beemo loves Tiny Princess now.