A content creator climbed into a San Francisco cage to fight humanoid robots billed as a first, and the punch-trading footage quickly raced across the internet.
Frankie LaPenna stepped into the cage for a series of bouts staged by robotics entertainment company REK, which billed the night as the first human-versus-humanoid robot cage fight. He faced three machines in all: a smaller Unitree G1, then two modified EngineAI T800s built to look the part for a live crowd and a camera phone.
Fox News tech coverage from Kurt “CyberGuy” Knutsson laid out what viewers saw next. Viral footage shows LaPenna throwing punches at a T800-style machine that hits back, kicks, and sends him flying across the cage.
REK CEO Cix Liv later described the exchange in blunt terms. LaPenna got knocked down in one T800 bout, recovered, knocked the robot off balance, and the fight ended with the machine’s head coming off. Liv said LaPenna injured his hand punching a robot but otherwise avoided serious injury.
REK stages live combat with remotely controlled humanoids. The company already runs humanoid-versus-humanoid fights and a simulator path that teaches the same basic controls used on the real hardware.
LaPenna raised the stakes by putting a flesh-and-blood fighter inside the fence. Liv said he originally wanted to go in without protective equipment. REK refused and required motorcycle-style gear and gloves.
That call looks less like theater once the power numbers enter the picture. REK describes the modified fight machines as about 6 feet tall and says the altered T800s can kick with up to 850 pounds of force. EngineAI lists a standard T800 at roughly 5 feet 8 inches and about 165 to 187 pounds, depending on the version. The larger units in the cage sit near the top of that weight range.
These were not free-thinking fighters. Technology partner Reflex Arc says pilots operate the humanoids live with VR gear or a gamepad. AI helps with balance and trained movement. A human still directs the action.
That detail matters for anyone tempted to treat the clip like a Terminator audition. The red-eyed, mechanical-head look was deliberate marketing. The decision-making was not on board the robot. It sat with a remote operator.
Reflex Arc also says REK’s first simulator championship produced 3,670 matches. Winners were flown to San Francisco to pilot real robots at REK2 in August. Same control scheme. Same trained balance system. Live steel instead of a screen.
The San Francisco stunt sits inside a wider robotics race that is no longer confined to lab demos. In 2025, four Unitree G1 humanoids fought in a boxing-style tournament in China. Those machines were human-operator controlled too, with punches, kicks, and knockdowns for the cameras.
Separately, the World Humanoid Games in Beijing drew more than 2,000 robots and 600 teams from 16 countries into athletic events, sprinting, boxing, soccer, and more. Fox & Friends showcased that spectacle while Knutsson framed the broader U.S.-China contest expanding into humanoid hardware.
EngineAI is a Chinese firm. Unitree hardware showed up both in LaPenna’s first bout and in the China tournament a year earlier. American audiences are watching the highlight reels. Chinese companies are shipping the platforms into public combat formats.
REK keeps teasing more footage. The business model is clear enough: live robot combat as paid spectacle, a simulator funnel for pilots, and a human guest star when the company wants the internet to notice.
What the night did not prove is independent machine judgment under pressure. Pilots steered. AI steadied balance and trained moves. LaPenna still walked out with a hurt hand and a viral clip. The robot that lost its head left the cage in pieces.
Open questions remain. The exact calendar date of the San Francisco bouts was not pinned down in the available reporting. Individual pilot names were not released. Full results across all three fights beyond Liv’s summary and the circulating T800 exchange were not laid out in sequence. Force figures and “first ever” billing come from the companies staging the show.
Remote-controlled robots making a man fly look like the future on a phone screen. They still answer to a human with a controller, and Beijing is already filling arenas while Washington debates the next slide deck.
