Penn Badgley On 'You' Season 4: A 'Who Dun It, Murder Mystery'

Hello, "You."

Fans of the phycological thriller, "You," are anxiously awaiting for Season 4 to drop on Netflix as Joe Goldberg (Penn Badgley) flees the United States and ends up in Paris, walking around the streets incognito, leaving viewers at the edge of their seats as to what will happen next.

Well, Badgley recently appeared on "Good Morning America" and told fans what they can expect when the first part of Season 4 hits the streaming service on February 9.

When fans left Joe Goldberg, he had just murdered his wife, Love Quinn, after she attempted to kill Joe.

Joe then realizes that, despite forming a connection with his son, Henry, he knows he must abandon his son for both his own and his son's best interest, and leaves Henry, alongside a goodbye note, with his co-worker at the library, Dante, before fleeing to Paris and starting over with a new identity.

Fans of "You" know that Joe Goldberg is a murderous stalker himself, however, when the bookstore worker flees to Paris, he finds himself in a "who dun it" situation.

"The genre shift, I think," Badgley told "Good Morning America" host George Stephanopoulos when asked about what will surprise viewers the most this season. "It goes from being, I guess what is it? A thriller... romance, something in that vein, and now it's a, at least for the first part, it's being released in two parts, the first part is a who dun it. It's a murder mystery," he continued to say.

Last year, Badgley spoke to Entertainment Tonight regarding "You" Season 4 after the news broke that the show would be renewed for another season, to which he said "the tone [for the upcoming season] is similar, but it's shifting in that there is a different format. We're using a different format.

The "Gossip Girl" actor continued, "It's almost like we're shifting the genre slightly. And I think it works."

The Netflix series is based off of Caroline Kepnes' series of books, though, Badgley admits not everything the show follows is the same as the novels.

"Nothing was the same and the writer of the book and the creators of the show, they've always known starting from the same place, from the same point -- Joe of the books -- if you recreated him faithfully, it would be tough to watch," he said before saying again, "It would be really tough to watch."

The upcoming season will see returning actors Penn Badgley as Joe Goldberg and many suspect Tati Gabrielle will return as love interest Marienne Bellamy, who was introduced in Season 3. "There's also some other familiar faces which I think I can [say]," Badgley said when speaking to Entertainment Tonight, seemingly confirming Gabrielle's return to the series.

Charlotte Ritchie, Lukas Gage, Amy Leigh Hickman, Tilly Keeper, Ed Speleers, Sean Pertwee, Stephen Hagan, Adam James, Ben Wiggins, Allison Pargeter, Eve Austin, Dario Coates and Ozioma Whenu will all be joining the cast for the upcoming season as well.

"You" Season 4 will be released in two parts. Part 1 will be released on Netflix on February 9 while Part 2 debuts on March 9.