'Reign' season 4 spoilers: cast thanks fans, co-stars for experience as show reaches its end

"Reign" season 4 will be the end of the historical drama, and the writers promise that although the show's conclusion is imminent, fans will be happy about how it will all end.

Will Kemp, who will play an important character in the upcoming season, thought about his final day on the set of the series on Instagram.

"It's been such a huge pleasure joining the cast and crew of Reign for their final season. I can't wait for fans to see all the work we have done — you are in for such a treat," he went on to say.

Megan Follows, whom fans will see as Catherine for the last time in "Reign" season 4, also reveled on getting the chance to be part of the series. In fact, she also took the director's seat for this season.

"I have loved acting on and directing this show," she wrote. "I have such respect for this crew. One of the finest I've ever worked with," the actress went on to say, urging fans to be part of the end.

"Reign" lead star Adelaide Kane also took to Instagram to thank fans for the support, adding that while she is "deeply saddened" about the cancellation, she is excited to take on new things.