Season 4 Episodes10
Cast2

Nick Lachey
Self - Host

Vanessa Lachey
Self - Host
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Ranked #10 of 10 in Season 4•−0.9 vs season avg
After two months of emotional reckoning, the couples must take the leap and decide if their ultimatum ends in wedding bells or a tearful breakup.

Nick Lachey
Self - Host

Vanessa Lachey
Self - Host
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"Ultimatum Day" is episode 9 of The Ultimatum: Marry or Move On season 4. It scored 3.9/10 from 23 votes, ranking #10 of 10 episodes this season (season average 4.8). It aired on July 22, 2026.