Katie is back from her four week check up and things are looking good-platelets are up and leukaemic rate is down. Katie speaks of how she’s been feeling a little unwell recently with university tiring her out she manages to go home for a few days to recuperate.  Filming takes on a continental feel as we join Katie & her friend Crouch who have come to Paris to show their support to a 50 man Teenage Cancer Trust Caterpillar that is running in the marathon, almost as random as a lady with a parrot on her shoulder!