John Ross's sneaky shenanigans continue on the sixth episode of this season's Dallas and this time his antics put the family legacy in jeopardy.

John Ross's 'World to Come Crashing Down At Least Once'

In a sneak peek for the upcoming episode to air March 31, not only does plan to take Ewing Global public, he's also shaking hands and toasting it up with their enemies.

He tells their foes, "Let's say we put down our swords."

John Ross Carries on Affair With Pamela

While John Ross thinks that they are his new allies, they are plotting against him all the while.

One says, "There might be another move to be made with John Ross. Let him think he's in control and then we steal Ewing Global." In the meantime, Christopher tries to warn Alaina and says, "He's not who you think he is." However, she seems to be in denial.

Still John Ross's mother, Sue Ellen, recognizes his dangerous moves and confronts him: "You have become drunk with power."

John Ross takes much offense to this and yells at her for comparing him to his father. His yelling might turn physical as Sue Ellen is then walked to an ambulance before she gets inside.

Bobby Ewing asks, "What have you done John Ross?"

John Ross's antics might be a part of his plan to avenge his father, J.R. Ewing's death but he'll definitely have a wake up call before the season ends. In a recent interview Josh Henderson, who plays John Ross, revealed, "This season's going to be a complete roller coaster for him, and his world, at least once, will crashing down on him because of everything he's trying to do at once.

"He's trying to move a million miles an hour...he's trying to move at the speed of a Lamborghini, but he drives a Honda Accord. You just want to say to him, 'You've got to slow down, John Ross. You're not J.R. yet.'"

Dallas airs Monday nights on TNT at 10/9c.