Close Call - S2-E25
Continuity mistake: In the establishing shot of the epilogue, it's 9:10 on the clock outside the station. But in the very next shot, it's 7:10 on the clock inside. (00:42:20)
Close Call - S2-E25
Continuity mistake: Though the camera angle doesn't change, the brightly lit Chinese-character sign on the wall outside the window moves several feet to the right between takes. (00:09:10)
Answer: Nick was sick and tired of being an immortal bloodsucker. He wanted to be human, fall in love, get married, have children, grow old and die. As for Janette, according to her, she fell in love and the passion she felt "cured" her of her blood lust.