TNT has released an extended Season 1 trailer for Dallas, which debuts Wednesday, June 13 at 9 PM ET with Episode 1.01: Pilot: Changing of the Guard. Larry Hagman and Patrick Duffy are back as J.R. and Bobby Ewing, along with a new generation lead by John Ross Ewing (Josh Henderson) and Christopher Ewing (Jesse Metcalfe). Watch to go deep inside this powerful family!