To Watch Tonight

What to watch while remembering Seals Stadium ... • NHL: Playoffs, Eastern Conference quarterfinals, Game 4, Washington at Philadelphia (7 p.m., ET), Western Conference quarterfinals, Game 5, Calgary at San Jose (10 p.m., ET). Flame on! [ Versus] • Soccer: MLS, Columbus at D.C. United (8 p.m., ET). Quick, what are the nicknames? [ ESPN2] • Movie: Losing Isaiah (9 p.m.). Rather appropriate, considering what's going on with the Knicks. [ Life]