I HEARD FROM SOMEONE THAT JACKSON RATHBONE WAS GOING TO GUEST STAR ON NO ORIDNARY FAMILY. DO YOU KNOW IF THE EPISODE HAS AIRED YET?

Yes, the episode aired last night, I think it was called; '1x06 - No Ordinary Visitors'
If you're interested, then I think you can watch the full episode here:
link
:)

TV Guide says that the episode is being repeated tonight.