7:10 Peter Principle: When People Get Promoted Into Maximum Incompetence 6:48 1974: Are YOU at your level of INCOMPETENCE? | The Peter Principle | BBC Archive 2:31 The Peter Principle 3:58 The Peter Principle Infographic 5:19 Peter's principle | A Short Film by Jim Lacy & Kathrin Albers 5:48 The Peter Principle explained by author Dr Laurence J. Peter 5:45 The Peter Principle: Why People Rise to Their Level of Incompetence (And How to Avoid It) 8:41 The Peter Principle explains why everything ALWAYS goes wrong.