Today on the tube ...

By Victoria Ahearn

The Canadian Press

Saturday, March 23

- It's the two-part series finale of "Merlin" and the troubled titular character must try to save himself as well as Camelot and the man he made a king. (Space)

- Ease your weeknight stress by learning how to cook five days' worth of meals in one session with the series "Rachael's Week in a Day." This episode focuses on stews and sauces, with dishes including "Drunken Chicken" and a mustard and brown sugar BBQ beef sandwich with celery slaw. (Food Network Canada)