In episode three, which is streaming on Foxtel, we see the twins in New York preparing to play at the WorldPride festival, a celebration for the LGBTQ community.
After realising Lisa forgot to pack one of the costumes they needed for the show, a black latex piece, the two erupted in an almighty stoush.
Because it would be too hard to paraphrase, we've jotted down the argument word for word.
Jess: If it's too much responsibility to remember it I will take it off you, I don't mind.
Lisa then starts to query if she was the last one to have it in the first place
Jess: You had it, it's in your possession, not in mine. You're out of your mind. I guess that's on brand right now.
Lisa: I'm sorry? What does that even mean? You're a dumba*s.
Jess: You're literally saying you had too much responsibility to remember to bring a certain costume.
Lisa: You took my makeup. Where did you put it?
Jess: It's probably sitting in the same place as the black latex.
Lisa: You are a nightmare to be around. Truly, you are a nightmare. F***ing hell, I swear to god.
Jess: It's very frustrating when someone …
Lisa: It's very frustrating when you're mean. I packed both of the knee high boots …
Jess: I know …
Lisa: Shut the f**k up. Shut the f**k up! You forfeit the right to have an opinion right now unless you show respect when I'm speaking and stop. It's not like we don't have a billion other options.
Jess: I know but the black latex is a staple piece, you know that.
Lisa: No Jess.
Jess: Don't say no! Say I'm sorry!
Lisa: I'm not apologising.
Jess: You never f***king apologise.
Lisa: No because I'm not enabling your behaviour right now. I'm sorry for not thinking to bring the black latex, I didn't realise it was so important to you.
Jess: Obviously you don't know what a healthy apology looks like … "I overcomitted and I need help next time."
Lisa: Jessie, I really need help next time, you're going to have to pick up the slack a little bit.
Jess: Grow the f**k up and start learning how to communicate in a healthy way.
*
Despite the savagery, Jess and Lisa managed to bury the hatchet pretty quickly, before hitting the stage hand-in-hand to a crowd of screaming fans. Here's a little peek at the performance from their Insta.
The show was created to follow The Veronicas as they reform their connection after falling out in 2017.
In the first episode, Jess revealed the true toll of her relationship with Hollywood actress Ruby Rose and how it affected her bond with Lisa.
"Lis and I didn't talk for a year. I was in a relationship that wasn't good for me. I became isolated. I had nobody anymore, I only had my relationship," Jess said as a news article about her and Rose flashed across the screen.
"I didn't have my mum or my dad. When it became too much for me, I walked away."
Lisa said she had become "the enemy" in her sister's eyes.
"I realised I'd become the enemy in the situation, and I was ultimately … my presence and my love was making it harder for her (Jess)," she said.
"When someone goes through the kind of relationship Jess was in, it's not like one day you wake up OK and you forget all those different things you were made to feel."