The onscreen couple also reveal to ET how the NBC show has changed their outlook on relationships.
The TV couple spoke to ET about Tuesday's big finale.
What does the future hold for Jack and Rebecca? ET caught up with the 'This Is Us' stars just after Tuesday's finale to find out.
The NBC drama ended its first season with a heartbreaking finale, but fans were left wondering what happened with Jack's death.
Plus, did Jack make it to Cleveland?
A look back at 9 times Milo Ventimiglia's Jack and Mandy Moore's Rebecca tugged at our heart strings this season on 'This Is Us.'
The cast and crew are counting down the final episode of the season!
The countdown to the final episode of the season continues.
Uh oh.
Milo Ventimiglia tells ET, the reveal will 'show itself at the right time.'
Will 'This Is Us' fans finally get answers to how Jack died on tonight's season finale?
The drama's first season wraps up on Tuesday at 9 p.m. ET on NBC.
We miss the good ol' days.
We cannot get enough of Mandy Moore, Milo Ventimiglia, and their on-screen 'Big Three.'
