Watch Dortmund vs. Barcelona to see whether they cruise into the Champions League semifinals, with four goals to the good after the first leg.After a rocky season by their standards last year, manager Hansi Flick appears to have found the key to success at the Estadi Olímpic — never more emphasized than when his team thrashed Dortmund 4-0 last week.

After winning 4-0 in the first leg in Barcelona, Hansi Flick's La Liga leading side now face Borussia Dortmund in Germany for the return leg at the Signal Iduna Park on Tuesday. The Catalan giants dominated the first match in Spain,

Champions League result, match stream and latest updates - Robert Lewandowski, Raphinha and Lamine Yamal all star in quarter-final first-leg rout in Catalonia