This week our three judges head north to Glasgow, as their quest to find the UK's most talented young dancer continues.In this moving episode, they meet 13 year-old Julia, who wants to take every opportunity to dance before she undergoes a vital back operation. Dance is everything to Julia, and she gives it everything she's got, bringing the judges to tears as they realise her operation may stop her from being able to dance again.Who can claim the three yeses needed to advance to the next stage of the contest, and move one step closer to dancing alongside their heroes on The Next Step?