The much anticipated superhero crossover episode between Arrow, The Flash, Supergirl and Legends of Tomorrow will begin from November 28.Facebook/Arrow

It seems like November is going to end with a bang. CW's four-show crossover begins on Monday's episode of Supergirl, and according to this new trailer, viewers are in for an incredible treat. Constituting of the lead characters from Super Girl, Arrow, The Flash and DC's Legends of Tomorrow, the crossover event's trailer promises a big bang end to the year. Action heroes like Flash, Green Arrow, Felicity Smoak, White Canary, Thea Queen and Heat Wave will be seen teaming up with Super Girl to save the earth to fight against the dominators.

For the biggest battle against aliens called Dominators, who have come down to Earth with the aim of eradicating human kind, the super humans join forces to fight against the species. According to the trailer, Flash is seen confronting the UFO that hits the earth and meets the aliens. Understanding their motives and aware that he cannot fight against them himself, he takes the help of Super Girl and forms a team of super humans to fight against them.

The trailer has its moments like Super Girl talking about the back story of how Mick Rory got the name Heat Wave, Oliver Queen ends up finds herself in some kind of alien pod and Thea Queen is all set to transform into Speedy again. The trailer, time and again, emphasises on the motive of the invaders and shown their power against every super human. The special effects and one liners' are perfectly placed.

Adding to the buzz for the crossover week, the stars behind Arrow's Oliver Queen, Supergirl's Kara Danvers, and The Flash's Barry Allen featured on the Entertainment magazine's cover. Apart from the crossover, the upcoming week serves as a milestone for the show Arrow. The TV series is set to touch the milestone of airing its 100th episode. It sure looks like an exciting week for television.

You can check out the trailer for the crossover below: