Ben Kay and Brian O'Driscoll preview this weekend's Champions Cup semi-finals that will see Leinster take on Scarlets and Munster tackle Racing 92. Munster legend Peter Stringer drops in for a chat and we also hear from Racing 92's Dan Carter and current Munster star Conor Murray ahead of their final four showdown in Bordeaux on Sunday in front of the BT Sport cameras. We get the thoughts of Gloucester boss Johan Ackermann as his side prepare for an all-Premiership Challenge Cup semi-final clash with Newcastle on Friday night - live on BT Sport - and the guys also review all the latest news from around the rugby globe and the latest Premiership action.