Depending on the shade orange can be harsh on the eyes. Obviously you have it in places now and they are fine, it is just certain shades. If you like orange would you like it mixed with other colours? I recommend taking a look at the
design seeds website to see if any colour schemes stand out to you. You can search by colour so if you look at the orange shades you may find something which you like and feel suit the show. A colour scheme which jumped out at me (based on your current colours) is
this. I know nothing about the show or what any of you would like though.
Who are the main characters who need to be included in the graphic?