How does it work?Thirty-six sides entered into the new "league phase" and now just four remain with a month-and-a-half to go in the UCL campaign.Barcelona, Paris Saint-Germain, Arsenal, and Inter Milan are through to the semifinals,

Germain, and Inter Milan entertain Europe and the world as the semi-finals of the Champions League begin. All four teams will be dreaming of booking their place in the final in Munich on May 31st.

Arsenal will look to make home advantage count against PSG on Tuesday in a Champions League semifinal that many pundits predict will provide this season's eventual winner. Below, we'll outline the best live TV streaming services to watch the game as it happens,