The Queen Spydor is a giant Spydor that appears in Chibi-Robo! Plug Into Adventure! as the final boss. Queen Spydor is the leader of the Spydorz, and traps the Sandersons and Tao in cocoons near the end of the main storyline. Chibi-Robo fights it on the ceiling of the Living Room to set them free.
The battle with the Queen Spydor begins with time traveling 10 years ago and finding the combination on the suitcase. After returning to the present and unlocking the suitcase, Giga-Robo's Leg will be seen after attempting to retrieve the leg, The Queen's Minions, large spydorz, not bigger than the queen, but bigger than regular spydorz, take the leg and attack the family. After beating the minions, the Queen comes out of hiding and cocoons the family. In the first phase of the battle, the Queen uses a magnet to shield itself in metal which is gradually broken off by hitting it with the Chibi-Blaster. The Queen attacks in two ways at first, activating a web to take out Chibi-Robo's battery life and suck him toward her, and dropping Spydor bombs towards Chibi-Robo. When all of its armor has fallen off it will turn purple and fire Spydors. When the Queen is finally destroyed you get three items; the last Frog Ring, Giga-Robo's left leg, and the Queen Spydor sticker. You can now reactivate Giga-Robo and the story mode is complete.