Watch Jersey Shore: Family Vacation Online: Season 4 Episode 22Paul Dailly at .
Who won the rematch of the century?
On Jersey Shore: Family Vacation Season 4 Episode 22, Mike and Ronnie went to war, several years after their bust-up in Florence.
Meanwhile, Jenni and Angelina's bet reached a conclusion, leading to one of them having to pay up.
How did it all play out when the roomies got involved?
Elsewhere, a call from Snooki changed everything at the retreat.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.