"Fallings Skies" season 4 spoilers are getting released more frequently heading towards the show's premier on June 22. The network likewise teased that earth will become a battleground in a fight to a finish between aliens and humans. Fortunately, the 2nd Mass will have some help from guest stars Mira Sorvino and Treva Etienne.

In lthe ast season, the 2nd Mass already settled in Charleston and continued to fight the Skitters and Overlords. However, they received unexpected help from another alien race, the Volm, through a weapon but only to be told that they will be getting in the way. As a suggested workaround, the humans will be relocated to the south of Brazil, an idea that Tom Mason and his group didn't really like.

On Monday, TNT released the first of the "Falling Skies" season 4 spoilers: "Earth becomes center of intergalactic war." Is this going to be the final battle where only once race will be left standing?

During the premiere of season 4, the Espheni (Overlords) will unleash a new killing machine that will attack Tom Mason and the 2nd Mass which forces them to separate into groups in order to give them a chance at survival.

More "Falling Skies" season 4 spoilers are dished out by threeifbyspace.com revealing that Oscar winner Mira Sorvino will join the cast. She will play Sara, who might or might not spark a relationship with John Pope although her complicated past might get in the way.

Treva Etienne ("Pirates of the Caribbean") will also guest star as Dingaan Botha, who will join up with the 2nd Mass to fight the Skitters and Overlords.

Meanwhile, Scarlett Byrne will also guest star in "Falling Skies" season 4 although it's not clear what role she will play, the description says that she's a "mysterious woman" who has links to the invaders.