Kim Kardashian gave fans a hint at the drama to come in Keeping Up With The Kardashians as she spoke about a 'violent' first episode of season 18.
And as the premiere date approaches Kris Jenner shared a sneak peek of what goes down between Kim and Kourtney as their sibling rivalry reaches new levels.
In a very dramatic clip Kim and Kourtney get physical with Kim punching her as have yet another argument.
Getting ugly: Kim and Kourtney Kardashian get in a physical fight in the new season of Keeping Up With The Kardashians
'Don't ever come at me like that!' Kim, 39, is seen barking at Kourtney as she confronts her sister
It's not clear what triggers this new fight but Kourtney, 40, appears to provoke Kim, 39, as she is seen throwing her coconut water at her before getting in her face and asking: 'You've got nothing to say?'
The Skims designer then stands up and snaps, 'Don't ever come at me like that!' before lunging at her older sister, seemingly throwing a punch.
Kourtney is seen quickly ducking down to avoid Kim's fist.
The scene then cuts to the final part of the clip with Kendall talking to someone, and commenting 'buttons have been pushed'.
Kourtney, 40, appears to provoke Kim, 39, as she is seen throwing her coconut water at her before getting in her face and asking: 'You've got nothing to say?'
Close one: Kim sticks her hand out to make sure she's not hit in the face
You've got nothing to say? Kourtney comes at Kim who appears to fall on the floor
Coming to blows: Kim pulls back as she appears to punch her sister who dives out of the way
Kris Jenner posted the clip on her Instagram page telling her fans in the caption: '#KUWTK is back and we’re taking over your Thursdays! New season starts March 26 only on E! @kuwtk.
The video opens with Khloe and Kourtney bickering in the kitchen.
'Why do you have to have an attitude?' Khloe says to Kourtney who replies, 'Just don't involve yourself in business that is not yours.
Kourtney is seen casually sipping coffee and leaving the room as Khloe snaps