Ignition Point is the twenty-second episode in the fourth season of Adventure Time.
Finn and Jake must go to the Fire Kingdom to retrieve Flame Princess's scented candles. They hear some fire people talking about how they are going to kill the flame king with ice. Finn and jake decide to investigate and they go to several different rooms. When they are being chased by other flame people, they secretly disguise themselves as the leaders of a play. They imitate the plan of the people who plan to kill the flame king. But this makes the king suspicious and he decides to call executers to kill them. Finn says that they are the people who are going to kill him. Other guards take of their suit and flame king realizes that they are his enemies. The flame king thanks them and says that Finn can make flame princess good. The episode ends with Finn giving FP's candles to her house.
- This is the 100th episode of Adventure Time in the airing order.
- This is the first time Flame Princess wears a different outfit.
- This is the second time Flame King appears on Adventure Time.
- Jake says "Sufferin' Succotash", a trademark quote by Sylvester the cat from the Looney Tunes.
- As Jake had suspected in earlier episodes, Flame Princess is evil, although she can turn good if taught by a good person.
- This is the second time the spell Flame Shield has been used.
- This episode reveals that Flame King killed his brother to obtain his throne as king of the Fire Kingdom.