Riverdale TV series
The cast of Riverdale, the TV seriesThe CW

The CW's Frequency and No Tomorrow will have no midseason episodes. CW made the announcement as it unveiled its midseason schedule on Wednesday, setting premiere dates for new drama Riverdale as well as returning series Reign, The 100, The Originals and iZombie.

The CW will not be giving a full-season order to either Frequency or No Tomorrow, leaving their fates hanging in the balance.

The network also set a series finale for The Vampire Diaries. The drama will end its eight-season run on the CW March 10.

Beginning January 26, Legends of Tomorrow will move into the 9pm Monday time slot currently occupied by No Tomorrow, pairing it with lead-in The Flash. The 100 will debut its new season Wednesday, February 1 at 9pm, taking over from Frequency.

Riverdale will debut Thursday, January 26 at 9pm, following the return of Supernatural from its midseason hiatus.

Riverdale is based on the characters by Archie Comics. It has been ordered to series at The CW and is scheduled to air during the 2016–17 television season,coinciding with the Archie character's 75th anniversary.

The pilot is set to premiere on January 26, 2017 and is written by Archie Comics' chief creative officer Roberto Aguirre-Sacasa and executive produced by Greg Berlanti.

Reign will debut Friday, February 10 at 9pm. After The Vampire Diaries ends, The Originals will premiere its new season Friday, March 17 at 8pm.

The Legends of Tomorrow season finale will air Tuesday, March 28. The following Tuesday, April 4, iZombie will debut its new season with back-to-back episodes. It will slide into its regular 9pm time slot following The Flash a week later. The Crazy Ex-Girlfriend season finale will air February 3.

The season finale of No Tomorrow will air January 17, with the season finale of Frequency slated for January 25. Both shows have a averaged a 0.3 live-plus-same day Nielsen rating among adults 18-49 this season, making them the network's lowest-rated shows aside from Crazy Ex-Girlfriend, which airs Fridays.

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