Rhino, and Scorpion to help him settle a debt with his enemy Silvermane. When the group realize the connection between Peter Parker photographing Spider-Man, the Insidious Six overpower and unmask him due to the hero's temporary loss of powers at the time, only to assume Parker came to fight them himself because he could not find the real Spider-Man. Later on, Spider-Man is able to strategically defeat them when his powers partially return. The Insidious Six return in the five-part episode "Six Forgotten Warriors", with Vulture replacing Mysterio, who died in a previous episode. They attempt to help the Kingpin unlock a doomsday machine, but the Chameleon betrays the group to help his foster father, the Red Skull. After the team is defeated again, it is disbanded for good and its members return to their own lives. The Sinister Six appear in The Spectacular Spider-Man. Introduced in the episode "Group Therapy", Doctor Octopus, Sandman, Shocker, Vulture, Rhino, and Electro pool their resources together and organize a jail break via Hammerhead, then go after Spider-Man, though they are defeated by his symbiote suit. In the episode "Reinforcement", Doc Ock assumes the Master Planner alias and arranges for the Sinister Six's reformation, now with Kraven the Hunter and Mysterio replacing Shocker while Doc Ock himself oversees their work from the shadows. The Sinister Six are again defeated by Spider-Man, though only Mysterio is arrested as the others escaped before the police arrived. In the episode "Shear Strength", the remaining members help Doc Ock with his plan to take over the world by hacking into the FBI's servers, but Spider-Man thwarts them and captures Electro. After capturing Rhino in the episode "Accomplices", Spider-Man later defeats and captures Vulture and Doc Ock in the episode "Gangland". The Sinister Six appear in Ultimate Spider-Man. Introduced in their self-titled episode, Doctor Octopus, Electro, Kraven the Hunter, Rhino, Beetle, and a mind-controlled Lizard attack Spider-Man. While he defeats them with help from his fellow S.H.I.E.L.D. trainees, the Lizard escapes while the others are arrested. In the episode "Return of the Sinister Six", Doc Ock reforms the team with Scorpion replacing Beetle and provides them all with high-tech armor made from stolen Oscorp technology, but they are defeated by Spider-Man and his team again, with help from Iron Patriot. Doc Ock spends the fourth season, Ultimate Spider-Man vs. the Sinister Six, secretly forming a Sinister Seven with help