All hands on deck

All hands on deck - something that you say when everyone's help is needed, especially to do a lot of work in a short amount of time.

Example - "We've got to get this all cleared up before they arrive so it's all hands on deck."

Image - http://www.whataftercollege.com/wac-2015/blog/wp-content/uploads/2015/07/allhandsondeck-300x225.jpg