When your team starts working together, they are in essence a group of strangers.  The longer they work together under solid leadership the more united they become but the path is not all sunshine and roses.

Bruce Tuckman came up with the phrase 'forming storming norming and performing' to describe the path most teams follow to high performance.  

This episode focuses on Tuckman's path because most leaders are unaware of the natural process teams go through to get to high performance. Once they develop this awareness, they realize nothing has gone wrong and they know how they can assist the team in moving through the phases quicker.