How the latest new timeline in This is Us season 3 could change everything

Another new timeline will be introduced in Season 3 of This Is Us, and it could potentially change everything we know about Jack.

“What? Another new timeline?!” That’s undoubtedly what all This Is Us fans are saying upon realizing that the series will introduce a second new timeline in the upcoming third season. You might be thinking this new timeline centers on the future, in which Randall and Tess have left us with a major cliffhanger, but that’s not the only trip in time we’ll be taking.

When This Is Us returns for Season 3 in September, we will be meeting up with Jack Pearson in his twenties. That’s right, we’re turning the clock back even further. While we had the chance to catch up with the Big Three in their twenties in Season 2, the impending rewind to Jack’s days in war might be even more insightful and impactful than that flashback.

Milo Ventimiglia reveals to People that This Is Us will indeed be following Jack Pearson as he encounters “what brought him into the man that we all knew.” The transition to Jack in the Vietnam War had been teased all throughout the second season, with the look at Kevin’s trip to the country with Zoe in tow at the end of the season finale being the latest hint.

Even though Jack has passed, these glimpses of his past can only change everything that we thought we know about him. The first two seasons merely grazed the issues Jack faced with his demons, but by traveling back to his time on the front lines with his brother, we’ll finally be able to see these issues take shape and, in turn, what shaped him.

Of course, an additional timeline to keep track of will ultimately confuse fans who already struggle with the narrative volleying, but Season 3’s new adventure with Jack could prove to be one of the most important of the series. It’s not often that shows take viewers on a decades-long journey with its characters, but This Is Us seeks to fill in all the blanks. Despite his tragic ending, Jack remains the character with the most intrigue and questions surrounding him. With any luck, some of those questions will receive long overdue answers.

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Are you excited for This Is Us widen its scope even more and explore another shade of Jack Pearson? Which Jack-centric questions do you hope Season 3 answers? Do you hope we get to know his brother Nicky? Let us know your thoughts and predictions in the comments, and be sure to keep the conversation going over on Twitter at @thisisuscrying!

This Is Us returns for Season 3 in September on NBC.