She also gets into it with Margaret, who calls Teresa "shameful."
UPDATE at 9:30am PT on October 17, 2019: In a statement to PEOPLE, Teresa's attorney claimed she and the mystery man, Tony, did kiss -- but it was 30 years ago, when they were in high school. " Nobody is cheating, nobody is getting divorced," he explained. He added that Teresa and her daughters will travel to Italy to see Joe in November.
In a new sneak peek at the upcoming premiere, the Bravo star is seen doubting her marriage to her husband and possibly even stepping out on him while he's in prison.
The preview begins with costar Jennifer Aydin asking Teresa, "Do you feel like you're still in love with him?" Her response: "I don't know." She also tells sister-in-law Melissa Gorga, "I haven't been happy in so long, I just want to be happy again."
Another man enters the picture as well, as Teresa is seen in another moment with a buff dude and brother Joe Gorga. "Were you guys messing around?" asks Joe. "We might have kissed," the mystery man replies.
In another scene, Teresa shows the women a shirtless photo of someone who appears to be the same man, while saying, "He was the one I hooked up with."
It also looks like Giudice and Margaret Josephs will face off all season long. Even though Margaret initially says "whatever goes on behind closed doors is frankly none of my business," she's later seen criticizing Teresa's behavior.
"Teresa is cocktailing it up all night while your husband's sitting in ICE, that's shameful," she says.
Drinks and f-bombs fly as the two battle throughout the preview, as Teresa says Margaret can "kiss my f---ing asshole."