No specifics yet, but NTV has posted a promotional banner on their website advertising the 2014 Real Robot Battle competition. Last years event, which resulted in a 2+ hour television special, turned out to be extremely popular, and the company is hoping to repeat that success and perhaps even turn it into an annual event.
Assuming that the rules haven’t changed from 2013, anywhere from six to eight teams will field massive robots over 2 meters tall to battle it out in the ring. Each robot utilizes a wheeled mobility platform of their own design, but from the knees up the competitors are quasi-humanoid and powerful enough to inflict significant damage on each other.
This should give you an idea of how big these robots really are: