Stephen Colbert says goodbye. ET behind the scenes of his finalshow. What we know about the top secret farewell celebration even bigger than you might expect. Then, only we’re with the man taking his timeslot. Byron Allen’s message to the departing host. Plus, the just-released 9-1-1 calls from the night of Britney Spears’ DUI arrest. And, Matthew Perry’s mom goes after her son’s personal assistant. Her scathing letter to the man who injected the “Friends” star with the drugs that killed him. Then, Netflix roast backlash. The jokes that didn’t land and why Sheryl Underwood’s getting the last laugh. Plus, why our interview with “Ghosts” star Utkarsh Ambudkar will have you laughing all the way to the grave. And, Geena Davis throws it back to “Thema & Louise”. Why her bingeworthy new series from the team behind “StrangerThings” may not be what it seems.