You knew that Norm Macdonald had his own show where he does whatever strikes his fancy, right? 

Well, his eponymous show returns for its 4th season on Tuesday, July 25th via JASH with none other than comedy/showbiz/late night legend David Letterman as one of the guests. 

See for yourself in this preview clip here.

Also, you can catch up the previous three seasons of Norm Macdonald Live here.