EXCLUSIVE: Sugar Bear Rips Off Shirt, Angrily Lunges at Pumpkin During Reunion Episode With Mama June

"You touch her, I swear to God, I will f**king kill you," Mama June yells at her ex.

Tensions run very high when Mike "Sugar Bear" Thompson faces Mama June Shannon and her daughter, Lauryn "Pumpkin" Shannon, after his recent wedding.

On Friday's reunion episode of Mama June: From Not to Hot, Sugar Bear gets in an explosive argument with Pumpkin as the crew of the reality show holds them back as they angrily scream at one another. "I got you too! I got you too," Sugar Bear screams.

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"You touch her, I swear to God, I will f**king kill you," Mama June yells at her ex.

"F**k you, you dumb piece of sh**," Pumpkin shrieks. "That's why you're a f**king piece of sh** father."

WATCH: Mama June Shocks Sugar Bear With Her Weight Loss Transformation -- 'Oh Sh**!'

Sugar Bear then flew off the handle and ripped his shirt, screaming, "C'mon then!"

"I swear to God, I will beat your f**king a**," Pumpkin yells back.

Mama June was clearly shaken by the altercation, and began asking where her youngest daughter, Alana "Honey Boo Boo" Thompson, was located. The crew let Mama June know that Honey Boo Boo was "safe" backstage and was "way away" from the drama.

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Earlier this week while on The Wendy Williams Show, Mama June claimed that Sugar Bear was "very emotionally and physically" abusive, and alleged that he injured Pumpkin. "Pumpkin's eye, that was his fault. The thing that we were showing on Honey Boo Boo, we never did," she said. "The car wreck, several things that happened on [Here Comes] Honey Boo Boo that was kinda, like, covered up."

Sugar Bear denied Mama June's claims, exclusively telling ET that the "abuse allegations are not true."

WATCH: Mama June Crashes Sugar Bear's Wedding in From Not to Hot

"It is not true, any of it. June won't let me see or talk to Alana," Sugar Bear said. "I have text messages where I text June and try to talk to Alana, but no response back from her. The last time I saw Alana was at mine and Jennifer's wedding. I've tried to stay in touch with my daughter but June won't let me."

Last week, Mama June spoke to ET in an exclusive sit-down interview about her current relationship with her ex. "When you get rid of trash, then you become a better person," she said. "He really made me feel like s**t [and] I wanted to show him, 'Hey, I can do [whatever] I want to do'… I wanted to show him, like, I am actually worth it."

Honey Boo Boo echoed her mother's words about not having a relationship with her father, telling ET, "He calls me every once in a blue moon, so if there's a blue moon outside, he's going to call me."

Mama June: The Confrontation airs on Friday at 9 p.m. on WE tv.

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