ABC Spark is a Canadian English-language discretionary specialty channel owned by Corus Entertainment.

[3] The announcement of the formation of ABC Spark occurred on October 26, 2011, as part of a program licensing agreement between Corus Entertainment and The Walt Disney Company.

[5] The channel's broadcast licence, tentatively known then as Harmony, was approved by the Canadian Radio-television and Telecommunications Commission (CRTC) in February 2012.

[6] Selected ABC Family programs that were set to air on ABC Spark began airing in preview blocks in advance of the network's launch on January 26, 2012 through sister channels YTV, W Network, and CMT.

[15] ABC Spark carries most of the original programs produced for Freeform in the U.S. (Pretty Little Liars: The Perfectionists premieres on W Network),[16] including its own versions of the 31 Nights of Halloween and 25 Days of Christmas events, which broadcast special programming during the lead-up to their respective holidays.