In one semester, Belmont juniors Ben Neumayer and Joel David hooked dozens of Belmont students on longtime British sci-fi series “Doctor Who” – even though the BBC series about intergalactic time travel isn’t televised on campus. “It started with five people just sitting in my dorm room, crowded on a futon, and turned into a Facebook group,” Neumayer said. “Other people found out about it, and just started joining. Now it’s filled with complete nerds like ourselves who are gi