HBO's hotly anticipated sci-fi thriller series "Westworld" finally debuted Sunday night, bringing yet another intense trailer along with it.

Called "In the Weeks Ahead," the preview hints at the twists and turns awaiting viewers as the gritty series continues. There's definitely plenty to wonder about, especially given that the trailer basically tells us to expect the unexpected. "You think you've got a handle on what this is going to be," we're told. "You have no idea."

As the trailer jumps between time and place, fantasy and reality, we get hints of how characters may react over the course of the season. Dolores (Evan Rachel Wood) and Maeve (Thandie Newton), in particular, get screen time, and both are shown questioning their world. It's clearly going to be an interesting ride, and we don't doubt it when we're told, "There's a deeper game here."

Watch the preview below (as long as you can handle the sight of fake blood).

"Westworld" airs Sundays at 9 p.m. ET/PT on HBO.