It’s refreshing, groundbreaking and absolutely piles up the gags. The return of autistic heroine Nina is a very happy one indeed ...

The definition of small but mighty, mantis shrimps can throw punches up to 50mph — enough to break through their glass tanks.

"When Calls the Heart" is airing the 5th episode of its 13th season on Saturday, Feb. 7 at 8 p.m. This is not the show's usual time. There are several ways to watch with a free live stream.