"Overdrive" is the ninth episode of the fourth season, and the forty-eighth episode overall of the series.
As much as he enjoys life in general, Cyborg finds that his enthusiasm can hardly catch up with his daily schedule. His interest is aroused to a new computer processor chip called the Maximum-7, which he has delivered and inserted into his brain. The chip considerably boosts Cyborg's calculative and reflexive capabilities, enabling him not only to zoom through the day in any activity he pursues, but also to defeat Adonis all by himself as he gives the local beach visitors a hard time.However, the very next evening the Titans are called into town and face a serious challenge in the shape of Billy Numerous. In their first clash, Billy's power of self-duplication easily outmatches their respective powers, and even Cyborg's enhanced speed proves no good. Tired out after a futile chase, most of the Titans retreat into the Tower to catch some rest. Cyborg stays behind to continue the pursuit, but since he gathers that he needs to power up the Max-7 in order to catch Billy, he diverts energy to it from those areas which make up his human self, including his emotional capacities. But even so, he can't catch up with Numerous, who has decided to conduct a city-wide robbing spree, making it progressively harder for Cyborg to decide which Billy(s) to turn his attention to.
The next morning, the other Titans enter Ops to find Cyborg speaking and acting completely like a robot. The same night, Billy pulls off his greatest coup by stealing the city's Bay Bridge. When Cyborg attacks, the now one-sided orientation of his system's core programming causes the Max-7 to short out his cyber-systems - violently. In order to save his life, the Titans are forced to remove the chip, but when Cyborg asks how he should stop Billy without the Max-7, it is Beast Boy who offers him an alternative: Instead of trying it the fast way, maybe he should take a slow and easy approach.
In the Old Stadium, Billy and his clones gloat over his/their success and the accumulated loot when the Titans appear - but each of them multiplied twenty-fold in number. Billy wastes no time ordering an all-out attack, but the Titans prove strangely elusive, prompting him to create even more duplicates. But finally, he pushes his power too far; his last clone does not separate from him, and then all duplicates are forcibly reabsorbed into Billy's body, incapacitating him. And as it turns out, the additional Titans are not the real thing, but merely holograms created and controlled by Cyborg.
With his humanity and good spirits restored, Cyborg once again considers what to do with the rest of the day. After catching an angry glare from his friends, he announces that he has already made up his mind: catch up some sleep.
- In the Max-7 commercial, a reference to the S.T.A.R. Labs (Scientific and Technological Advanced Research Laboratories) is made, a facility featuring prominently in the DC comics and the Superman and Justice League animated series.
- It also is a nod towards the Flashes, (who reside in Capital City where S.T.A.R Labs is located), when underneath the 7 in Max-7, there is a lightning bolt and also when the commercial states, "it'll be there in a rush".
- A picture of Cyborg dancing with Jinx can be seen in Cyborg's room.
- Some of Billy Numerous' clones were riding an elephant that had a banner saying "Vote 4 Billy". This is a reference to the Republican Party's logo being an elephant.
- It is revealed that Beast Boy is talented at origami by making a paper hat and a turtle.
- Cyborg jokingly finishes Raven's incantation for her.
- When Starfire said "Agreed. He now opens even larger cans of the butt-whoop", "butt-whoop" is obviously a watered down version of the saying, "whoop-ass."
- In the beginning of the episode with the "combat practice" scene when Cyborg looked over his shoulder after destroying pole-mounted lasers, his half-robotic face switched sides.
- When Cyborg finds out about the Max-7, he orders it and it seems it arrived the very next day and Robin already knew what a Max-7 was, which means Robin found out earlier than Cyborg or roughly at the same time. Robin seems to be up to his ears in computers.
- After Starfire fell asleep with a lamppost, Raven's hood is down.
- After Adonis was defeated, Cyborg said it's time for dinner even though it's around 7-8 o'clock A.M.
- Also in this shot, Raven's hood was down, and after the T-Car arrived so that the Titans go for pizza, Beast Boy and Starfire's laughs and giggles aren't synced to their mouths.
- When the T-Car stopped where the Titans are standing, Raven was next to Robin on the left side instead of the right.
- In this episode, there are several goof scenes when Cyborg's left ear is human instead of metal:
- After Cyborg ate his breakfast that had eggs and bacon and while walking up to his panel, his left ear is human when the scene shows his back.
- As we see four pictures of "Super Deformed" Cyborg, his left ear is human again when he imagines himself reading magazines and hugging the T-Car.
- When he bangs an elbow into the crate that reveals the Max-7 chip, Cyborg's left ear turned human for a split-second.
- While Cyborg is building the game room, his left ear turn human for a quick second after he put a Foosball table. The left ear did it again after the game room was made and Cyborg stood there with his fists on his hips.
- After surfing lessons and he comes up from the water, Cyborg's left ear turned human.
- Cyborg's left ear turned human for another split-second as he says"No way! Thanks to the Max-7, I'm having the time of my life!".
- Before one of Billy's duplicate charged in to attack Robin, Cyborg's left ear turned human when he gasped in shock.
- When Cyborg begins to fire at Billy Numerous with his hands as two sonic cannons, his left ear turned human again.
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