Today on the tube ...

By Victoria Ahearn

The Canadian Press

Saturday, March 2

- Canadian pop singer Victoria Duffield performs in the finale of "Cross Country Fun Hunt," a CBC online initiative that asked kids to share their favourite local "fun spots" by uploading videos and pictures online. The winning spot, as chosen by 14,000 online votes, was Stratford, P.E.I. This finale features footage from a recent concert as well as a tour of Stratford. (CBC)

- "American Ninja Warrior," which calls itself the "toughest challenge on Earth," is airing highlights and previously unseen footage from its fourth season. Hosted by Olympic gold skiing medallist Jonny Moseley and comedian Matt Iseman, the obstacle course competition series aims to crown one athlete a "true American Ninja Warrior" and offer a $500,000 cash prize. (NBC)