Lauren takes up hiking with Mike but finds herself more than a little worn out by her new active lifestyle. For more clips from Millie Inbetween visit .\r<br>\r<br>Its Millies 13th birthday and her dad organises the most embarrassing party! For more clips from Millie Inbetween visit .\r<br>\r<br>Watch clips from new drama Millie Inbetween - new episodes every Wednesday or catch up on CBBC iPlayer.\r<br>\r<br>A simple question turns into a big argument between Mum and Mike! Watch more Millie Inbetween clips on the CBBC website at .
