A Hot and Cold Romance is an Adventure Time episode.
Finn and Jake escape a multan rock warrior and accidentaly full of a cliff and land in the Water Kingdom. Finn becomes in love with the Water Princess, which makes the Flame Princess jealous. The Flame Princess declares war on the Water Kingdom. The Water Kingdom win the battle but the Fire King want's an arm wrestle with the Water King to decide who gets to marry Finn and the Fire King wins. To make a final decision Jake tells both the princesses that whoever can get to Jake first and propose to him first gets to marry him. Water Princess finds Finn on the jelly mountain but Finn doesn't know if he is ready to get married.