WTCW

1991-1992
WUPN-TV was launched as a UPN affiliate for Toronto, Pacific Mountain. The channel was launched on June 15th, 1991 and UPN left this channel in August, 1992.

1992-1994
On August 1st, 1992. WUPN was bought by The WB making it a WB affiliate. The Callsign WUPN was kept for a few years for some unknown reason.

1994-2002
In 1994, WUPN changed it's call sign to WBTO which stands for "WB Toronto". There was later news put into the schedule calling it "WB 40 News at 5 PM". They also had Kids WUPN renamed to Kids WB 40. Since Toronto is the biggest city in the state of Pacific Mountain, WBTO became a WB + station, which caused a new logo change in 2002.

2002-2006
Since WBTO became a WB+ station, it got a new logo sometime in 2002. WB 40 News at 5 got a new logo as well a more times. WB 40 News at 5, WB 40 News at 5:30, WB 40 News at 6, and WB 40 News at 10. They also added more shows like Family Guy, King of the Hill, American Dad, The Cleveland Show like most WB+ affiliates. Texas Justice and Jerry Springer was also added to the schedule.

2006-)
In 2006, UPN and The WB merged to create The CW, so WBTO became a CW affiliate and changed their callsign to WTCW "Toronto CW".