The CW Network announced its Fall 2017 premiere dates today, as the network's entire primetime line-up will debut during the week of Monday, October 9. Before the network's new narrative line-up debuts, though, The CW will once again kick off its fall season with the exclusive telecast of the IHeartRadio Music Festival, airing over two nights Wednesday, October 4 (8:00-10:00pm ET/PT) and Friday, October 6 (8:00-10:00pm ET/PT). Joining the network's fall lineup are two new shows this season, Dynasty and Valor, with two more new shows, Black Lightning and Life Sentence being held for a midseason debut, along with returning favorites The 100, iZombie and The Originals.

On Monday, October 9, Supergirl is back (8:00-9:00pm ET/PT) on The CW, followed by the thrilling new drama Valor (9:00-10:00pm ET/PT). Valor stars Christine Ochoa and Matt Barr as Nora Madani and Leland Gallo, two elite U.S. Army helicopter pilots who were the only two to survive a deadly mission to Somalia. They discover that a third pilot, Jimmy Kam (W. Tre Davis), whose whereabouts were unknown, is in fact alive, and being held by a terrorist group. Nora and Leland prepare to go back to Somalia and rescue their comrade, while trying to hide the truth about what really happened. The cast also includes Corbin Reid as Jess Kam, Jimmy's wife, Melissa Roxburgh as Thea, the CIA officer investigating the incident and Nigel Thatch as Col. Robert Haskins, leader of Nora and Leland's unit known as the Shadow Rangers.

The Flash races back for its fourth season Tuesday, October 10 (8:00-9:00pm ET/PT), followed by the third season premiere of DC'S Legends of Tomorrow (9:00-10:00pm ET/PT). In the second season of The Flash, when Barry used his extraordinary abilities to travel back in time and save his mother's life, he inadvertently created an alternate timeline known as Flashpoint; a phenomenon that gave birth to the villainous speed god known as Savitar, and changed the lives of Caitlin Snow (Danielle Panabaker) and Wally West (Keiyan Lonsdale) forever. No story details have been released for Season 4 yet, nor for Season 3 of Legends of Tomorrow, but we'll likely find out much more when both shows will presumably return to Comic-Con next month for their annual panels.

Riverdale returns on its new night Wednesday, October 11 (8:00-9:00pm ET/PT), followed by the delicious high drama of the all new Dynasty (9:00-10:00pm ET/PT). Riverdale debuted in the Thursday 9 PM time slot, behind Supernatural at 8 PM, but this season, Riverdale and the hit superhero series Arrow will swap timeslots, with Arrow moving to Thursday at 9 PM, behind Supernatural at 8 PM, which both premiere on Thursday, October 12. It's possible this lineup will shuffle once again, when the network's fifth DC series, Black Lightning debuts in midseason, but that has yet to be confirmed.

The CW's fall premiere week wraps up on Friday, October 13, with The CW's Golden Globe winners Crazy Ex-Girlfriend (8:00-9:00PM ET/PT) and Jane the Virgin (9:00-10:00pm ET/PT) debuting their season premieres back-to-back. As for midseason shows such as newcomers Black Lightning and Life Sentence, along with returning favorites The 100, iZombie and The Originals, fans won't likely know when they will return for many months. Take a look at The CW's Fall 2017 premiere schedule below.

WEDNESDAY, OCTOBER 4

8:00-10:00pm IHeartRadio Music Festival

FRIDAY, OCTOBER 6

8:00-10:00pm IHeartRadio Music Festival

MONDAY, OCTOBER 9

8:00-9:00pm Supergirl (Season Premiere)

9:00-10:00pm Valor (Series Premiere)

TUESDAY, OCTOBER 10

8:00-9:00pm The Flash (Season Premiere)

9:00-10:00pm DC's Legends of Tomorrow (Season Premiere)

WEDNESDAY, OCTOBER 11

8:00-9:00pm Riverdale (Season Premiere)

9:00-10:00pm Dynasty (Series Premiere)

THURSDAY, OCTOBER 12

8:00-9:00pm Supernatural (Season Premiere)

9:00-10:00pm Arrow (Season Premiere)

FRIDAY, OCTOBER 13

8:00-9:00pm Crazy Ex-Girlfriend (Season Premiere)

9:00-10:00pm Jane the Virgin (Season Premiere)