Dr. Mark Bernstein removes a fatal brain tumor.

Dr. Shaf Keshavjee performs a lung transplant.

Dr. Ralph Manktelow performs reconstructive surgery to help a man with facial paralysis.

Dr. Brent Graham, a hand and arm specialist, assists a woman with a shark bite injury.

Dr. Noelle Grace, a pediatric surgeon, goes through multiple surgeries.

Dr. John Semple reconstructs a female breast post mastectomy.

Dr. Ghopal Bhatnagar performs multiple heart surgeries.

Dr. Tim Sproule recounts multiple cases of reconstructive plastic surgery.

Dr. Joan Murphy removes a cancerous ovarian tumor.

Dr. Joseph Mamazza performs minimally invasive surgeries.

Dr. Mark Walton removes natal cysts.

Dr. Zane Cohen is an inflammatory bowel surgeon.

Dr. Robert Devenyi, an eye surgeon, performs multiple surgeries.

Dr. Erin Boynton performs a joint replacement surgery to fix a shoulder with arthritis.

Dr. Andy Smith performs a surgery to remove a cancerous tumor in the abdomen.

Dr. Gerald Baker performs a jaw joint reconstruction.

Dr. Greg Ryan is a fetal surgeon who performs surgeries on babies in utero.

Dr. Vivek Rao performs a heart transplant.

Dr. Chris Reilly, a pediatric surgeon, specializes in spinal disorders in kids and teens.

Dr. Angela Price specializes in neurosurgery in children.

Dr. Michael Marcaccio recounts his role as chief of surgery at three hospitals.

Dr. James Bain performs multiple reconstructive plastic surgeries on children.

Dr. Gordon Wilkes performs a reconstructive surgery to create a new ear.

Dr. Arianna Dal Cin performs multiple plastic and reconstructive surgeries.