Season 1

Angel Trainee Flonne is sent to the Netherworld to assassinate the Overlord, King Krichevskoy. Flonne spends two years searching for Krichevskoy, and eventually wakes his son, Prince Laharl, who doesn't beleive in love.…

Weak without her pendant, Flonne is unable to continue her battle with Laharl. Laharl is soon greeted by his father's old vassal, Etna, and the two leave the poor Angel Trainee to die. Help soon comes in the form of Vye…

When Laharl demands a place to spend the night in the middle of the desert, he, Flonne, and Etna are guided by the Prinnies to the Netherworld Hall of Treasures. But when Vulcanus causes Flonne and Etna to switch person…

When the Prinnies go on strike, Laharl begins pillaging local castles in an attempt to get them some money. However, when his father's old butler, Zenisuky, poses as the Overlord and abuses his power to tax everyone, hi…

Laharl and Etna stop at mansion after getting lost in a forest, except for Flonne, whom was ditched in the desert, where they encounter a woman named Sardia. Sardia offers food and hospitality to the two, but when she a…

Laharl, Flonne, and Etna arrive at the castle of Maderas, the demon who placed the bounty on Laharl's head. However, after he reveals that Etna is the one who poisoned him and tried to kill him, Laharl and Flonne become…

Now free of assassins, Laharl, Flonne, and Etna stop for lunch at a saloon. The trio soon meets up with a strange girl named Maharl claiming to be Laharl's sister, but Laharl questions her relation to him. Could this st…

All the Prinnies suddenly vanish, and without anyone to do his chores, Laharl becomes bent on finding them. He, Flonne, and Etna manage to locate them and uncover a plot to take over the Netherworld. Will Laharl thwart …

Their spaceship finally repaired, the Earth Defense Force challenges Laharl to rematch. Laharl accepts Gordon's challenge on the condition that he takes him to his castle. As Laharl prepares to begin his newfound Overlo…

Laharl and Gordon team up to rescue Jennifer, Etna, and Flonne from the Earth Defense Force, but Kurtis refuses to allow Gordon to do such a thing. After defeating him, Gordon proceeds to where Jennifer and her father a…

On their way to Celestia, Laharl, Flonne, and Etna find themselves in a ice-filled land lit up by a red moon. When the Prinnies starts acting strange, the reason behind Laharl's hatred for love is finally revealed. And …

Having finally arrived in Celestia, our heroes discover that Vulcanus was responsible for the attack on the Netherworld. Upon meeting with Seraph Lammington, the trio learns why Flonne was sent to kill Laharl's father a…