Complex sentence: Besides working as a director, he had a talk show on TV with Taichi Saotome and Aya Mizusawa in spring 2008, though he barely spoke, even though he was one of the hosts.
Split into simpler sentences: Besides working as a director, he had a talk show on TV with Taichi Saotome and Aya Mizusawa in the spring of 2008. But, Hajime barely spoke, even though he was ne of the hosts.