finfly1,
The freezer stuff is an old wives tale, utter nonsense and a total myth.
You might say there is "evidence" out there on the internet, but they are just coincidental flukes.
A frozen hard drive that is powered on will accumulate condensation, both on the outside and on the platters. The heads will hit the water condensate and crash onto the platters, scoring the media and wiping out more of your data.
And no, a zip lock bag will do nothing to reduce the amount of condensation inside the drive.
You should also note that many modern hard drives use fluid bearings, so freezing the drive may just prevent the drive from working altogether.
If the data is important to you, send it to a professional disk recovery place.
Oh and next time.... please..... BACKUP BACKUP BACKUP BACKUP !!!!!!!