Robojosh is the fifth episode of Series six.
Dissatisfied with the level of affection his foster son is prepared to show him,Brian creates a robot double of Josh... and causes total chaos, imprisoning the real Josh and malfunctioning. Meanwhile Sophie finds that Lucy is having a 'Bring a parent to class' day and is desperate to go. Mel finds that Trent, using her name, has won the girls poetry competition. To get the prive (a years worth of cds) she has to read "her" poem... which praises Trent! later RobotJosh becomes a member of the family with normal outfits and a new school student as Josh Jr he is sent to the school to work on his mood and gets friends and leads a normal life