What to watch after your flight is cancelled ...
• Men's College Hockey: NCAA Division I tournament semifinals in Denver; Boston College vs. North Dakota (6 p.m., ET), Notre Dame vs. Michigan (9:30 p.m., ET). There is no team more dangerous, or more politically incorrect, than the North Dakota Fighting Sioux. [ESPN2]
• MLB: Cubs vs. Pirates (7 p.m., ET). So 27 innings in the past two games wasn't enough for ya? [WGN]
• NBA: Nuggets vs. Warriors (8:15 p.m., ET), Lakers vs. Clippers (10:30 p.m., ET). That first one may decide the last playoff berth in the West; 300 points might not be out of the question. [TNT]
• NHL: Western Conference quarterfinal, Game 1, Predators vs. Red Wings (7 p.m., ET), Western Conference quarterfinal, Game 1, Stars vs. Ducks (10 p.m., ET). City of Detroit pins all of its hopes on the Wings. [Versus]