Bell still hasn't updated their web page for a couple of months. I came across this official announcement a couple of days ago when I was Googling for something else.
ONE is currently on FREE PREVIEW for Bell and Bell Fibe customers through Jan. 31, 2019. (Link
Here are a couple of other national previews that were announced by the channel and should be on Fibe TV. You can check Bell satellite's thread for other possible previews.
Hollywood Suite Nationwide Free Preview Available From December 1 to January 5
HIFI will offer a national eight-week free preview beginning Monday, November 5
History – December 1 to January 31
ABC Spark - December 14 to January 31