yes, in fact. she does. in the episode called " A Friend In Need" part 1/2
No,she's not.
Last Episode in Season 6, "A Friend In Need Part 2". She was killed by a samurai warrior in China to repay a debt from her past.
2001.
Xena had to end because the show had run out of options. She had faced warlords and over come them. Her past had been corrected and she killed the Gods. There was nothing left for her to accomplish...