Lego harry potter year 3-8 the time turner question

[vaelber]

Hello I have finally completed the game 100% including the free plays, but I am still stuck in finding out how to use the door key to the hospital wing I found in Hagrid's garden. Is there a way to go back to the hospital?

 

[Kkern07]

I'm stuck in this one section in year three. I play on my iPad. I'm in the pettigrew chase. I can't seem to figure out how to get around the prefect. Can u help me