Boston Dynamics BigDog vs T.J. Miller
The two get out the car only to find it's a robotic dog with antlers attached to it.
Mad, Erlich gets out of the car and starts kicking it over and over.
That wasn't just any old robot dog, though. That was Spot, Boston Dynamics' dog-like robot originally built to scout for the U.S. Marines. And yes, it really was wearing antlers. They were its costume for its star turn as "Bambot," apparently a deer-like project of Stanford Robotics in the show's universe.
An HBO representative told Tech Insider that not only did Boston Dynamics actually let Spot appear in the man-on-robot violence scene with T.J. Miller, but the "Stanford students" running out of the forest to protect their robot deer were actually Boston Dynamics technicians.