When the Decepticons board the Autobots ' ship it takes a beating and crashes onto Primitive Earth and knocks everyone unconscious.

When the Autobots attempted to interfere, the Constructicons revealed their hidden power and merged into Devastator to fight them off, allowing the message to successfully go through.

When the Cybertronians Skyfall and Landquake arrive on Earth unexpectedly Megatron attempts to destroy them, but Optimus Prime and his Autobots are able to drive Megatron away.

When the Autobots and G. I.

When no ill effects were apparent, he used it to revive the Dinobots, and brought enough back to revive the remaining fallen Autobots.

When the Decepticons sabotaged the Autobots ' ships and fled the planet, Grimlock saved the Autobots.

When leader of the Autobots, Grimlock was involved in assisting Action Force battle Megatron in London and attempted to kill the Predacon Divebomb in order to silence embarrassing facts about Swoop's past.

When the Autobots and Decepticons united against Jhiaxus and the threat of the Swarm-a destructive by-product of Transformer reproduction-Grimlock was the joint leader of the ground troops as Prime and Megatron fought on other fronts, and survived the brutal conflict.

When Bludgeon and his Decepticons were banished after the battle of Klo Grimlock refitted his Decepticon battleship, the Graviton, with weapons and recruited his several Dinobots and Autobots to hunt them down.

When Autobots from the future duped Galvatron into turning against Starscream, a repainted Skywarp stood in for Starscream, who Galvatron then blasted.

When the Decepticon turncoat, Octane, sought refuge from his pursuers in the crypt, Starscream's ghost seized control of Cyclonus ' body, and worked with Octane to turn Galvatron over to the Autobots and take leadership of the Decepticons for themselves.

When the Autobots eventually jam the shells to facilitate their own rescue of Mirage, Starscream is freed and battles Bugbite's faction.

When the Autobots succeeded in defeating the Decepticons in 1999 and they all attempted to return to Cybertron aboard the Ark II, the ship exploded as it exited Earth's atmosphere, and the Transformers were believed destroyed.

When Prime was resurrected as a Powermaster, he revealed the truth-the Matrix was actually a physical object, stored within his chest cavity, which the Autobots had unwittingly lost when Prime's body had been blasted into space.

When Megatron develops a plan to infect the core of Cybertron with dark energon, destroying the Autobots.

When the Autobots successfully repelled them, Primus reconstructed the injured guard, Wing Dagger, as Wing Saber, who joined the battle, which resulted in a fissure being torn in space, hurling the Autobots far from Cybertron.

When the Autobots traveled to Gigantion, the Giant Planet, Primus tried to slow down the black hole until they could find the last key.

When that became unavoidable, Mirage enlisted with the Autobot forces, although he is often unsure about his motivations for doing so, which leaves his fellow Autobots finding it hard to trust him – a problem not helped by the fact that Mirage can rarely hide that he is often unwilling to fight directly, or his contempt for the “ commoners ” he is now forced to interact with.

When Optimus Prime then overthrew Shockwave, who was revealed to possess sinister ulterior motives, Mirage was among the Autobots who voted to stay on the planet rather than return to Earth, even though he had discovered that Shockwave had divided up his old estate and holdings amongst others.

When Optimus ordered the Elite Guard to not harm Megatron, Megatron declared Optimus had fallen into the trappings of power the High Council had foisted upon him, and those in attendance dispersed, with the planet forever divided into Autobots and Decepticons.

When Omega Supreme wants to take on the most ruthless Decepticon forces, none of his fellow Autobots can stop him.

When Kicker attempted to stop Galvatron on his own, Omega went to his aid, and then merged one last time with Optimus, who had already combined his Spark of Combination with all the other Autobots, forming Shining Optimus Supreme, who battled with a Unicron-possessed Galvatron until the villain sacrificed himself by plunging into an Energon sun, rather than see Unicron win.

When his eyes began to focus, he saw Jess charging at him with a pitchfork.

When he was eight he began violin lessons.

When Johnny Mercer and Harold Arlen began their collaboration in 1940, Mercer, like Arlen, had several substantial film songs to his credit, among them `` Hooray For Hollywood '', `` Ride, Tenderfoot, Ride '', `` Have You Got Any Castles, Baby??

When Thompson and her daughter began a correspondence which included fervent verses from Pantasaph, Mrs. King felt a proper Victorian alarm.

When the young biologist, Dr. Ballard, began to show interest in our daughter Elizabeth, this induced a corresponding interest, on our part, in him.

When the negotiations began, his quarrel with the king of France was temporarily in abeyance, and he had no intention of reviving it so long as there was hope that French money would come to pay the troops who, under Charles of Valois, the papal vicar of Tuscany, were so valuable in the crusade against the Colonna cardinals and their Sicilian allies.

When the algae began to build up again, the effluent BOD rose.

When the Korean war began, on June 25, 1950, the anniversary of the day Custer had gone down fighting at the Little Big Horn and the day the regiment had assaulted the beachhead of Leyte during World War 2,, the 7th Cavalry was not in the best fighting condition.

When the winter tour began at Los Angeles last January there was no one in sight to challenge Palmer's towering prestige.

When dam construction began in 1933, fewer than 600 boats used these waters ; ;

When a fisherman brought her up in his arms, still, small, as if she were a child asleep, I began to shudder with a terrible excitement, almost triumphant, that I still cannot account for.

When it became apparent that Johnson would lose his seat, an effort began by ally George W. Jones to put forward Johnson's name for governor.

When people started to study scientifically how to fly, people began to understand the basics of air and aerodynamics.

When blacks began singing adapted versions of these hymns, they were called Negro spirituals.

When the North Tower was struck at 8: 46 a. m., many executives began evacuating their employees from the upper floors of the South Tower.

When Sultan Murad V began to show signs of paranoia, madness and continuous fainting and vomiting even on the day of his coronation and threw himself into a pool yelling at his guards to protect his life, they were afraid the public would become outraged and revolt to bring the former Sultan back.

When emulators of 1980s video game consoles began to appear on home computers in the late 1990s, the Atari 7800 was one of the last to be emulated.

When the original digital signature generating software was turned over to the Atari community, development of new Atari 7800 titles began.

When the trade association began, it had seven members and its main goal was to eliminate all duties and restrictions on the majority of their trade within 12 years.

Beethoven's friend Anton Schindler, later said: " When he started working on the fourth movement the struggle began as never before.

When pro-reform forces came into power in the spring 1997, an ambitious economic reform package, including introduction of a currency board regime, was agreed to with the International Monetary Fund and the World Bank, and the economy began to stabilise.

When pro-reform forces came into power in the spring 1997, an ambitious economic reform package, including introduction of a currency board regime, was agreed to with the International Monetary Fund and the World Bank, and the economy began to stabilise.

When Hitler's chief engineer, Fritz Todt, began opening the new autobahn ( highways ) in 1935, many of the bridges and service stations were " bold examples of modernism " – among those submitting designs was Mies van der Rohe.

When Selig was only three, Marie began taking him and his older brother, Jerry, to Borchert Field, where the minor league Milwaukee Brewers played.

When the Luftwaffe began bombing Moscow, Pasternak immediately began to serve as a fire warden on the roof of the writer's building on Lavrushinski Street.