Go to the movies together. Just get the groups together slightly out of the context of the product being developed. We've got an ambitious schedule, and we simply don't have time to spend documenting our processes. We're already working late, late hours. Not writing down your procedures is a risky move.
People sometimes have a tendency to remember things inaccurately, or forget details of the whole.
The time you spend dealing with the errors from poorly followed procedures often is cumulatively more than time than it takes to write down your procedures. Aggressive schedules are common in our industry. It just makes efficient operating procedures more important than ever. That's swell, Julia, but face it, they don't understand or respect what I do. Educate the other team.