Long Island Medium

It's the season premiere, and Theresa is giving emotional readings to some shocked celebrities. Television icon Kelsey Grammer, "This Is Us" breakout Chrissy Metz, "The Biggest Loser" trainer Bob Harper and Sugar Ray front man Mark McGrath.

Theresa turns 50 and enters a weightlifting competition. Meanwhile, a woman who claims her brother was murdered by NFL player Aaron Hernandez visits Long Island; and Theresa confides in a friend that she and Larry are going through a rough patch.

"Shark Tank" shark Barbara Corcoran gets a reading with Theresa. At a fundraiser, Theresa channels an accident victim for the distraught police officer who couldn't save him. Theresa reads a man while she's inside a cryogenic freezing chamber.

Victoria goes speed dating, but Theresa crashes it and ends up reading people there. Meanwhile, a skeptic turns into a believer with validations from her father; and Theresa gets so emotional about her marriage that she has to step away from a reading.

Dorinda Medley ("The Real Housewives of New York City") gets a reading. Also: Theresa goes to Nashville on a girls trip and surprises a group that doesn't know who she is, but she turns them into believers; Larry and Theresa face an uncertain future.

In this star-studded finale, Theresa gives readings to Melissa Etheridge, Tituss Burgess, Robert Patrick, Jillian Michaels, Marilu Henner, Kate Walsh and Buddy Valastro.