Finn isn't so happy with his arm replacements, made by the princesses and one time his strong emotions create a telekinetic limb by listening deep in his melon heart. In order to take revenge on his real father he decides to build a tower to the space. Jake is on his side, but P.B. tries to stop him. After Finn passes out at the atmosphere of Earth, P.B. pretends to be his father. When he faces the old guy, he won't punch him anymore. His arm disappear and he get the honor from Jake to ruin the monument. Written by
Did You Know?
When Finn returns to the house, his shadow casting onto Jake actually has two arms. See more