New Aliens has Arrive

This is Third Episode of Season 4, First New Aliens Appearance of Vexins
===Synopsis===
Dirk & Anna are at Army Academy School, but new aliens about to take over the earth. Vexins are dangerous to feed people.
===Plot===
Dirk & Anna are back on earth in London, and his phone ring. It's Stacey and she tell have some good news for him, Stacey glad to see Dirk again, and he tells Stacey to meet Anna first time.
Anna call the new army and ready for battle with a strange new aliens coming, Dirk ask Stacey who these new aliens?.
Stacey tell him she don't know when they are coming. But they are ready for battle, Anna ask Dirk is she soldier?.
Dirk didn't know she was army, Anna wants Dirk to meet Captain Redard, he is leader of UBA. Known as Unit Britain Army, Dirk think its very strange name.
Captain Redard ask him, we need to know what's these Aliens coming and what they look like. 
Dirk don't know yet and he will try figure out, Anna will like to ask Stacey about Dirk Gently.
Stacey tells her that Dirk is very bit lonely and he wants someone to look after him and he will save the world, Anna will do that for him. But Anna will like go home to see her family are alright, so she will ask Dirk want to go back home.
outer space there is a spaceship, Vexins are looking at earth of humans lives and they want to take over the earth.