In the USA, you can catch both games of the World Championship Semi-finals on NBC Sports Live Extra.

Stream here or watch/download the app for your phone.

via NBC Sports/Live Extra

Live Extra Finland vs. Russia Hockey 9am EDT

Live Extra USA vs. Canada Hockey 1pm EDT

You may be able to watch the USA/Canada game on your TV carrier if you have have one of the Comcast Regional Sports Networks.

See the USA Hockey tweet below...