Four million years ago, Optimus Prime ended a Decepticon attack on the Ark by directing it towards prehistoric Earth. When both factions reawakened in 1984, Optimus Prime and the Autobots fought the Decepticons on numerous occasions until 2005. During an attack on Autobot City on Earth, Prime fell in battle against Megatron and passed the Matrix of Leadership to Ultra Magnus.

A Japanese-exclusive, the final new-design G1 Convoy toy was a departure from previous versions. He now transformed into a small extended hood cab truck of made-up model pulling an implausibly large trailer equipped with motorized caterpillar treads. The trailer could additionally pull along the auxiliary trailer transformer Grandus, on which the shuttle Sky Garry could land, forming the spaceship "Battlestars". Even without combining, Star Convoy's truck mode was a behemoth, including a Micro Trailer semi as a small accessory and an upgraded Roller that was now patterned after a tracked ballistic missile carrier.


The Hasbro release comes with a pack-in file card. In addition to the regular version, Optimus was also released in a special "advance release" assortment alongside Bulkhead, Megatron and Starscream, with each figure including a mini-DVD that contains the Transformers: Prime episode "Masters & Students". Yes, all four of them come with the same episode.
He and Metroplex were soon rescued by Bumblebee and Ratchet and they promptly escaped back to Earth, just in time to rescue Grimlock from a Decepticon hit squad. After being misled by a phony distress call, Optimus and his team had to face an assault on the Ark. They repelled the Decepticon attack, but Prime decided that the time was right to go to Cybertron and liberate the Autobots whom Shockwave had enslaved. The Autobots again used the space bridge to reach Cybertron, and mounted an assault of their own on the Decepticon fortress. After fighting their way through the defenses, Optimus and Bumblebee faced down Shockwave himself, defeating the Decepticon with some help from Grimlock. Transformers G1: Awakening
An extensive redeco of the Protoform Optimus Prime mold that was exclusively available at the Japanese C3xHobby Convention in August of 2007, and later offered by e-HOBBY in limited quantities. Most of the body is made out of transparent turquoise plastic in order to mimic its frozen state in the "coldness" of space, while orange paint is used on the front end of the "entry" mode, mimicking the heat effects of sudden atmospheric entry. The flame attachment is made out of clear blue plastic, with the tail end being covered in gold paint.
Optimus once considered having the unruly Dinobots shut down before they could accidentally cause damage, but they proved their worth during a sudden Decepticon attack. S.O.S. Dinobots When the Insecticons gained enough power that they'd be able to overrun Earth in seven days, Optimus Prime was forced to negotiate an alliance with the Decepticons in order to defeat them. Harvest of the Insecticons Following the disappearance of Grimlock and Swoop, Optimus attempted to stop the other three Dinobots from attacking the Decepticon base, and was mauled for his trouble. The distraction at least allowed Wheeljack to take a scan of the rogue Dinobots. Day of the Dinobots - Part 1
Hot Rod first appeared in the American animated series during the events of The Transformers: The Movie (as a main protagonist), where he was one of the many Autobots stationed at Autobot City.[5] He was first seen fishing with Daniel Witwicky. When Daniel saw the shuttle that was going to make a supply run to Autobot City, he told Hot Rod and together they both went to an observation point, only to see a hole in the shuttle. The ship had been previously hijacked by Decepticon forces led by Megatron, with its crew killed.
Prime would make one further surprise appearance in Dreamwave's Transformers: Armada series. With Optimus Prime having disappeared to an alternate dimension, devastated by Unicron, the Autobots attempted to find their leader. As Jetfire attempted to locate him through Spacebridge links to other dimensions, one of these clearly shows RiD Optimus Prime and Prowl.
Part of the first wave of Prime: Beast Hunters Voyager Class toys, Optimus Prime is a larger, all-new mold. He also transforms into a monstrous, flat-nosed truck, but differs from his Cyberverse toy by having a faceplate-less mouth, and by being equipped with a large four-winged backpack in robot mode. He features a 5mm port for each of his hands, one on his backpack, one near each of his front wheels, and one on each of his two upper wings.

Hasbro's Toys R Us-exclusive 2003 reissue of Powermaster Optimus Prime was actually a modified version of Takara's then-recently reissued God Ginrai set. As such, the cab was partly constructed out of die-cast metal, vacuum-metalized plastic and had clear blue windows. The trailer was retooled so the super robot's fists could slide in and out of the arms. This set also included the originally Japanese-exclusive Apex Bomber drone trailer that attached onto the back of Optimus Prime's trailer in vehicle mode, and could become extra armour in super robot mode.The missiles where unchromed and lengthened due to safety issues as opposed to the Japanese release which were chromed and shorter.
Available exclusively from Japanese clothing company A Bathing Ape in 2017, MP Convoy Reissue BAPE Ver. is a trailer-less redeco of the MP-10 mold sporting a unique black color scheme matching the Convoy Reissue BAPE Ver. BLACK of the original G1 toy, with "BAPE's famous camouflage pattern" and an ape head print on the shoulder replacing the usual faction symbol.
"Special Edition" Optimus Prime is a redeco of the Classics multi-pack toy, featuring some minor paint detail changes, bluer translucent plastic, darker and cooler gray plastic, and darker metallic flake red and blue plastic, with his (previously black-only) rifle body most notably now being cast in both blue and black plastic. He came in special "book box" style packaging with black-and-white boxart, and was only available at retail in Australian and Asian markets. North American customers could later buy him via Hasbro Toy Shop.
Part of the first wave of the 2015 Robots in Disguise line, Optimus Prime is a smaller-scale toy. He transforms from robot to trailer/truck combination and back! Like every Robots in Disguise Legion Class toy, Optimus features 3mm posts on his hands and arms. Due to the size and simplified transformation, he ends up having 6 wheels instead of 10. His scannable Autobot insignia is on his robot mode left shoulder. However, the badge is completely impossible to scan in vehicle mode.
The toy itself is a mix of different versions. The cab has the safety modifications, including the shortened smokestacks and longer missiles (and thicker rifle), but also has the modified hitch of the 2011 Chronicle DOTM two pack. Meanwhile, the trailer is the lighter grey version from the 2008 Universe release. This version also seems to suffer from mold deterioration.
Marketed as a reissue of Powermaster Optimus Prime, this Toys R Us-exclusive Commemorative Series figure is in truth based on the Ginrai tooling on the toy that had previously been exclusive to Japan. It features a die-cast metal cab with translucent blue windows, and shortened, chrome smokestacks, and comes packaged with the drone Apex Bomber (formerly Ginrai's partner Godbomber), who splits into several components and combines with Prime to form "Apex Armor". As with all other Commemorative Series figures, Prime's new spring-loaded missile launcher featured an elongated missile.
There is some difference of opinion on how the super mode of Leader Class Optimus Prime is supposed to assembled. Takara toys and the television series portrayed with the wings up and his two large guns underslung, however Hasbro later sold the toy with pictures and instructions having the wings down and the guns over the shoulders. Commercials and repainted models by Hasbro went back to the way Takara assembled the super mode. In 2006 a Costco exclusive of Optimus Prime packaged with Wingsaber and a DVD (with Armada Supercon Optimus Prime printed on it!) of the episode United was sold, again with the wings-under gun-over super mode. In Japan a gold chrome edition of this toy was released as a Lucky Draw special.
The term Generation 1 is a retronym; the series was simply known as "Transformers" until the release of the Generation 2 series. However, the term has become semi-official, as both Hasbro and Takara have referred to this era as "Generation 1". New characters are still occasionally added to the line, primarily by E-hobby. (Examples: Sunstorm, Hauler, Detritus, and the like.) Large-scale production of new characters in this line ended with the onset of Generation 2. Transformers fans often are very upheld with the G1 community. This has led to controversy among fans who consider G1 to be the only "pure" form of Transformers.
In order to come to some sort of conclusion about the price of LEGO, I needed to get some data on the historic retail prices of LEGO sets. The best source of this information is brickset.com. This website has data on almost all LEGO sets ever made and the retail pricing for many of them. I wrote a web scraping program to go through the Brickset database and make a database of set information. In order to keep the results relevant, I decided to compile one set that fit two basic qualifications:
In robot mode, like Combat Hero Prime, the bottom of the truck became his familiar windowed chest based upon the original Optimus Prime toy. His main gimmick was light up LED headlights, and a lightpipe in the bottom of his right fist, illuminated by an LED in his right forearm, that would illuminate his clear sword or his double-barreled rifle if they were used in that hand. All three LEDs were activated simultaneously by pressing the sunroof-like depression on the roof of the truck. 
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