Spike: We got a history, him and me. Fred: What? Spike: It was a long time ago. He was a young Watcher, fresh out of the academy when we crossed paths. It was a, what-you-call battle of wills and blood was spilled. Vendettas were sworn. It was a whole-- Fred: My God you're so full of crap. Spike: Yeah. Okay.
'Unleashed'