Theresa shares a funny moment as she reads Emma on tour.

Theresa discuses why she is seperated from her husband, Larry.

Theresa opens up to her friend Sandy about the status of her marriage with Larry.

While attending a Long Island Coalition Against Bullying event, Theresa connects with the spirit of Carmella's best friend who tragically took her own life.

Theresa channels Bernadette & Nicole's deceased family member through an emotional reading.

Nikki gets emotional when Theresa mentions her father's special song for her.

Theresa connects Rosanne to her son who tragically passed away at a young age.

Long Island Medium premieres Sunday, April 8 at 8/7c.

While on a peddle tour in Nashville, Theresa can't help but channel the spirit of a departed friend.

Theresa channels Real Housewife Dorinda's late husband Richard.

In order to calm herself down, Theresa gives a reading while trying cryotherapy.

The Shark Tank investor gets an emotional reading.

Theresa makes believers out of skeptics when she connects with a departed father.

Theresa engages in a friendly push-up competition with her son Larry Jr.

With help from Chrissy's grandmother, Theresa acknowledges the similarities in their signatures.

Theresa helps Kelsey Grammer find peace with his departed loved ones.

Carson Kressley scans Theresa’s closet and picks her outfit for the reading.

When Theresa came in to get her 'poof' done, Tiana got a surprise message from the grandfather she never met. Did she listen to Spirit and reunite with her estranged father?

Since Jenna lost the hero in her life, it hasn't been easy. But thanks to Theresa's reading, she knows someone's always got her back.

Jennifer lost her husband at a young age from pancreatic cancer. Find out what happened after her read with Theresa.

Theresa Goes Jetskiing and it really has en effect on her, and her hair.

Theresa helps Olivia reflect back on happy memories with her departed brother.

Theresa imparts some special gifts of information to a family for the holidays.

You won't believe the amazing message from Spirit that these two women received on Mother's Day. Check out this exclusive followup on TLC.com's digital series "Long Island Medium: Behind the Read".

When Theresa blurts out, "Who's the drinker?", these sisters both knew who their mother was talking about...

Carson Kressley gets a reading and shares regrets about his horse.

On this very special episode of Long Island Medium, Theresa connects with heroes who have given their life to ensure the safety of others, fallen heroes.

Gina had a close relationship with her grandmother Rose and wanted to hear from her in a read. Find out what happens when Theresa connects Gina with her grandmother with a little help from Spirit.

Renee had a private reading with Theresa that changed the way she looks at her own fate, as well as the accident that took her best friend from her.

Theresa has always been close with her mom. Find out just how close in this TLC.com Mother's Day exclusive!

Nurse Jackie not only helped remove Theresa's stitches, but she also got to learn how her grandmother was really with her in Spirit even when giving birth to her baby.

Theresa's cleansing of the Cherry Lane Theatre in New York led to a fundraiser for the theater. Find out what happened next.