Till the end of the season do us part? Married at First Sight's Nick Pendergrast and Sonia Granados finally decide whether to continue their marriage in the season 4 finale on Tuesday, October 25, as seen in Us Weekly's exclusive sneak peek.

The FYI series' preview clip shows Pendergrast putting it all on the line as he explains to his wife why he thinks they should continue working on the relationship. The pair have had their ups and downs this season, including Granados moving out of their home, but the newlyweds have been focused lately on reigniting their spark.

"Sonia, I think we've come a long way, and we're in a good place and moving forward in the right direction," Pendergrast tells her. "At this point, I know we're married, but I don't feel like I've assumed 100 percent husband duties — like, I feel like I'm learning them as I go. I want to continue our marriage, and I want to stay married to you." 

After that, it's Granados' turn to assess their status. "So we've had a lot of ups and downs, and I have moved back in, but there's just a lot of things that led me not to trust you," the realtor tells Pendergrast. "And I feel like I want to …" The clip ends before she can finish her sentence.

A previously released clip from the episode showed Tom Wilson and Lillian Vilchez also experiencing nerves leading up to Decision Day.

Watch the emotional clip above. 

Married at First Sight, produced by Kinetic Content, airs its season 4 finale airs on FYI Tuesday, October 25, at 8:45 p.m. ET. 

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