| The Buffy and Spike Timeline |
| 1999- |
| Drusilla breaks up with Spike again and he gets together with Harmony |
| 1999- |
| Angel breaks up with Buffy and leaves Sunnydale |
| 1999- |
| Spike returns to Sunnydale to find a Gem that will make him invincable, but Buffy stops him |
| 1999- |
| Spike is captured by the Initiative where they put a chip in his head that makes him unable to harm any human ; Spike escapes |
| 1999- |
| Spike is taken in by Buffy and the gang because he might have answers to the questions of what the Initiative is |
| 1999- |
| Buffy and Riley get together and she learns he is in the Initiative |
| 2000- |
| Spike gets back together with Harmony, just when he realizes he has feelings for Buffy |
| 2000- |
| Buffy learns Dawn is not her sister but the key to open the Portals to destroy the World |
| 2000- |
| 2001- |
| Riley and Buffy break up and he leaves Sunnydale |
| Spike reveals to Buffy that he is in love with her, but she rejects him |
| 2001- |
| Buffy's mother dies |
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