On Watson Season 2 Episode 10 “Never Been CRISPR’d,” the man with the glowing chest returns with a glowing heart tattoo that almost kills his girlfriend.

A chatbot complicates the life of an autistic teenager but inadvertently helps him save a life on Watson Season 2 Episode 9, “Shannon Says Bex Loves Micah.”

On Watson Season 2 Episode 8, “Livvy Sees the Doctor,” a man desperate for his daughter to be seen by the Holmes Clinic walks in with a bomb strapped to his body.

The team meets John’s father and tries to save the young jazz prodigy he’s mentoring on Watson Season 2 Episode 7, “Giant Steps.”

On Watson Season 2 Episode 6, “Buying Time,” a millionaire pursuing longevity juxtaposes a young man who can’t afford treatment for his mysteriously aggressive cancer.

On Watson Season 2 Episode 5, “Lucky,” a man seemingly in a coma begins communicating with his eyes about being a witness to murder.

A flesh-eating virus threatens people’s lives and limbs in the wake of a tornado on Watson Season 2 Episode 4, “Happy When it Rains.”

On Watson Season 2 Episode 3, “Expletive Deleted,” the team is mystified by the ailments of a 30-year-old woman who looks like a 10-year-old girl.