Studio 21

Studio 21 is a Canadian English-language television system owned by. The system is named for it's flagship station in, , CIMP-DT, on virtual channel 21. The system consists of three owned-and-operated television stations (O&Os) in ; two in ; and one each in, , , , and.

Studio 21 provides complementary programming to Corus' larger network (mainly airing programming aimed towards millennials and young adults) and operates primarily in markets that overlap with the service area of an existing Global station. Studio 21 is headquartered in, with the system's master control hub based at its affiliate CKWI-DT.

History
In 2012, announced plans for a "new" sister television system for  similar to the old  network that existed alongside Global during  ownership.

On August 11, 2014, Shaw relaunched repeater CIII-DT-21 as CIMP-DT, branded as Studio 21, a entertainment-focused TV station with a youthful image in order to generate interest from viewers in the neighbouring  market. This included adopting a tabloid television news format with flashy graphics similar to that used in the U.S. by and, adding a mix of classic & contemporary TV series, and picking up home games for the Canadian Football League's Toronto Argonauts and Hamilton Tiger-Cats.

The experiment was successful enough that upon Shaw Media being subsumed by Shaw's sister company in April 2016, Corus relaunched two other Global station repeaters in  as stations replicating CIMP's Studio 21 format: CIAP-DT in  near  (formerly CKAZ-DT repeater CKAZ-DT-5) and CJGC-DT in  (formerly CKAZ-DT repeater CKAZ-DT-3). In August 2016, CKWI-DT in (serving ) and CKGG-DT in  (serving  and ) joined Studio 21, effectively making it a system.

Programming
In 2017, Studio 21 added a children's programming block, Playground 21, featuring programs sourced from Corus siblings and.