STAGIONE:  
4.1 The World's Changing  
4.2 Survival  
4.3 Angel's Flight  
4.4 Risque Business  
4.5 Road Trip  
4.6 Extreme  
4.7 Wild Child  
4.8 Rules of Engagement  
4.9 Til Death Do Us Part  
4.10 Spin Doctor  
4.11 Cold Dick  
4.12 Lifeline  
4.13 Ghost from the Past  
4.14 The Agent of Year Zero  
4.15 Junk  
4.16 School Daze  
4.17 Meltdown  
4.18 Corn Man  
4.19 The Inner Sense