Mandy Moore, Sterling K. Brown and Chris Sullivan Dish on 'Gratifying' “This Is Us” Podcast and What Will 'Hit Hard' (Exclusive)

The trio are teaming up for a new rewatch podcast, set to debut on Tuesday, May 14 — and PEOPLE has an exclusive look at the trailer, plus what the actors are most excited for with 'That Was Us'

• Mandy Moore, Sterling K. Brown and Chris Sullivan are teaming up to launch a This Is Us rewatch podcast, titled That Was Us.

• PEOPLE has an exclusive look at the podcast's new trailer, which teases what fans can expect when That Was Us officially makes its debut on Tuesday, May 14.

• Moore, Brown and Sullivan also chatted with PEOPLE to discuss what they're most excited about, what episodes they're feeling a bit anxious to revisit and why the NBC show's impact remains years later.

Mandy Moore, Sterling K. Brown and Chris Sullivan are ready to get in touch with their Pearson and Pittsburgh roots!

The trio is just one week away from launching their This Is Us rewatch podcast, aptly titled, That Was Us — andMoore, Brown and Sullivan tell PEOPLE they can't contain their excitement!

"I’m very much looking forward to a Pearson family reunion," says Moore, 40, noting that they're "excited to get everybody in the studio with us."

"I don’t think any one of us was ready for the show to end," continues the actress, who played matriarch Rebecca Pearson. "This show will forever hold a special place in my heart and I think a lot of people feel the same way."

Brown, who played Randall Pearson, says he was in London promoting his film American Fiction when he realized the widespread impact of This Is Us.

"I realized that folks over there were kinda just discovering the show, and it was moving them the same way folks in America were moved when we were on the air," he recalls. "And I just realized whenever folks come to it, wherever they’re from, they are impacted. And it made me want to revisit it again."

Sullivan, who played Toby Damon, adds: "We missed each other! Nobody was ready for the show to end when it did, even though it was wrapped up to perfection. And fans were telling us that they had started rewatching and so we figured, why not watch along with them? I’m excited to see everybody again and share in our love for the show."

Related: This Is Us' Jon Huertas Is 'Excited' for New Rewatch Podcast: 'Invites Have Already Been Extended!' (Exclusive)

This Is Us aired on NBC from Sept. 2016 to May 2022. The family drama centered on the lives of siblings Kevin (Justin Hartley), Kate (Chrissy Metz) and Randall (Brown) and their parents Rebecca (Moore) and Jack (Milo Ventimiglia). The series used multiple timelines, showing stories that took place in the present as well as flashbacks to the siblings’ childhood and flash-forwards to later years.

The NBC drama earned numerous accolades throughout its run. It received 39 Emmy nominations, winning four. Additionally, it also received the Television Academy Honors Award in 2017.

The trio tells PEOPLE they've already recorded episodes with show creator Dan Fogelman, as well as Susan Kelechi Watson, who played Randall's wife, Beth Pearson. They also have plans to welcome Hartley and Jon Huertas (Miguel Rivas) as guests on the podcast.

The podcast — which PEOPLE can exclusively debut its new trailer — will also feature an emotional support hotline for fans to call and share their thoughts about the show and its impact.

Related: This Is Us Stars Mandy Moore, Sterling K. Brown and Chris Sullivan Reunite for New Rewatch Podcast

Brown, 48, says knowing how much the show has meant to people and continues to resonate is "incredibly gratifying."

"While the show was incredibly timely when it was on the air, it also has a certain sense of timelessness. So whenever folks come to it, it can’t help but move you," he says.

Sullivan, 43, echoes his costar, noting, "The themes of this show are eternal and they are presented in a way that allows the audience to explore these subjects within themselves and gives them the context to discuss these topics with the people they love. The show is about connection, providing its audience with the opportunity to connect."

Moore, who has since welcomed two little boys of her own, says she's particularly excited to now rewatch the series from a mother's perspective.

"It’s been such a thrill to rewatch this series. The cast and the writers are just so incredibly talented that each episode has copious amounts of takeaways," she explains. "There’s obviously a lot of excitement in reigniting conversations that meant a lot to fans as well as excitement in reuniting and reminiscing."

"But what I’m seeing as we rewatch, is that my viewing perspective has shifted and it’s like watching it all unfold for the first time," she notes. "It’s been eight years since This Is Us premiered, and I’ve lived a lot of life since then. I’m now a mom with two little boys and so I’m excited to rewatch all the episodes and rediscover the stories from a new perspective."

Related: Sterling K. Brown Says His This Is Us Role Has Inspired Fans to Adopt Children — and Quit Their Jobs!

Another special moment for the cast has been revisiting episodes of their costars who are no longer alive and honoring their legacy. (Ron Cephas Jones, who played Randall's biological father William Hill, died in August 2023 at age 66.)

"We try to honor Ron at every turn. Rewatching his performance is an education on acting and humanity. He is one of the most self-realized people I have ever had the pleasure of knowing," says Sullivan.

"Oh boy, it’s gonna hit hard! I can’t tell you exactly how I’ll react, but it’ll be powerful. It was powerful shooting it, and powerful watching it the first time," adds Brown. "I don’t anticipate it being any different."

Ultimately, the cast is just looking forward to fans finally being able to hear their new project and reigniting the bond they had for so long during the NBC hit's six-season run.

"It’s human nature for us as a society to seek connection and This Is Us connects people all around the world with the storylines, themes, and topics that are presented in every episode," says Moore. "Fans continue to watch and rewatch, sharing what This Is Us means to them, how it helped them navigate life differently, not feel alone, and even heal from trauma. Revisiting the Pearson’s stories can help us all do a bit of collective healing I think."

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This Is Us is streaming in full on Hulu and Netflix. That Was Us launches on Tuesday, May 14 wherever you listen to podcasts.

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