Quote Originally Posted by davedm View Post
I think he means that plastic can/canister caps have come off from the can and not the cassette caps.
Yep, I reckon that's it, still odd thing to happen if the film is still in the box, but the film should be fine, just let it warm up and dry thoroughly before using. I personally never freeze film, just keep it in a very cold fridge and leave it a few hours before using.