Watch Gotham Knights - Season 1 Episode 1 HD Full Free on SolarMovie. Watch Gotham Knights - Season 1 tv series online free. Bruce Wayne is murdered and his adopted son forges an alliance with the children of Batman's enemies...Bruce Wayne is murdered and his adopted son forges an alliance with the children of Batman's enemies. As the city becomes more dangerous, these mismatched fugitives will become its next generation of saviors, known as the Gotham Knights.