TNT UK was launched in 1993 along with Cartoon Network UK as a timeshift.
TNT UK was replaced with TCM

Turner Classic Movies (UK)

Turner Classic Movies is a subscription digital television channel featuring classic movies, mostly from the Turner Entertainment and Warner Bros. film libraries, which include many MGM, United Artists, RKO and Warner Bros. titles...

 in 2000.

In the early years the Line-up mainly featured Movies, until World Championship Wrestling launched in April 1996 with
WCW Monday Nitro

WCW Monday Nitro

WCW Monday Nitro was a weekly professional wrestling telecast produced by World Championship Wrestling, created by Ted Turner and Eric Bischoff. The show aired Monday nights on TNT, going head-to-head with the World Wrestling Federation's Monday Night Raw from September 4, 1995 to March 26, 2001...

. On October 9, 1998 WCW Thunder

WCW Thunder

WCW Thunder was a professional wrestling show produced by World Championship Wrestling which aired on TBS from January 8, 1998 to March 21, 2001...

 was added. Both aired in a 9 to 12.30pm (variant) block starting with the début of Thunder.
On July 1, 2000, when TNT (UK) was replaced by TCM, WCW programming was moved over to Bravo. Trailers aired on TNT informing viewers of the change.

WCW on TNT timeslots

WCW NITRO

• April 1996 to 1998 - Friday Nights - 9.00 - 10.00pm
• 1998 to 2000 - Friday Nights - 9.00 - 11.25pm
• 2000 - Friday Nights - 9.00 - 11.00pm

(WCW Nitro then changed to Bravo in 2000, on Thursday Nights - 9.00 - 11.00pm, until March 2001, when WCW was purchased by the World Wrestling Federation).

WCW THUNDER

• 9 October 1998 to 2000 - Friday Nights - 11.25 - 1.00pm