Saturday Mash-Up Live! S01E06 - Episode 6

Yasmin, Jonny and Hacker are back for more live entertainment. This week Pixie Lott, Matt Edmondson and The Next Step stars Shelby Bain and Isaiah Peck, aka Amy and Henry, are in the studio, and Jonny hangs out with a host of vlogging stars. There's also another brand new edition of The Next Step and cartoon action from Danger Mouse and Zig and Zag. And can any of this week's celebrities top the leaderboard when they take on the Push Off challenge?