After Bart had got trapped inside a banana plant, she rescued him. They mated and Kamala got pregnant. Kang and Kodos took her to the current Rigellian queen to get the Hillarium which would get her through the birthing process. However before they could do so, the human forces attacked and a vicious battle was fought and the very nature of Rigellian forest beat the armed forces. Kamala said that if they had just asked, the Rigellians would have just given the humans their Hillarium.