Episode four of Being Human series four, A Spectre Calls, airs tonight! In tonight's episode, 1970s ghost Kirby comes to Honolulu Heights to 'help' the supernatural trio, or cause lots of violence, angst and general evil stuff. My guess is that he'll go for option two. Here's a clip from episode 4:
A SPECTRE CALLS AIRS TONIGHT AT 9PM ON BBC THREE.