I'm not sure if this belongs in this sub, but Filebot has been a fantastic tool for me. I think you pay maybe $5 for 1 year, well worth it for the hours it saved me.
Is there a new cracked version available? I have been using an older version for more than 6 months now.
It's not free anymore, instead get Rename My TV Series 2 which is free and it gets the job done.