This week on the season finale of "When Calls the Heart," graduation approaches, leading Elizabeth and Nathan to plan for a happy summer spent together, all the while Lucas and Edie race Rosemary and ...

The final episode of season 12 of “When Calls the Heart” is called “Must Be Gold.” The season finale airs at 9 p.m. Sunday, March 23, on the Hallmark Channel.

Here's how to watch the finale of Season 12 of the hit Hallmark Channel series “When Calls the Heart” starring Erin Krakow ...