The Blacklist - Season 3, Episode 14: Soundtracks

A woman shops at a convenience store when spots a trail of bloody footprints & follows them to find a boy (Ethan) sitting on the floor eating from a bag of marshmallows from the store shelves.

While Red waits to see Glen, a woman sits next to him and proclaims that she recognizes him from her/their spin class, then starts singing to him as Red protests to knowing her.

Jeanne meets with Noah, she asks him how it's possible that Ethan returned, then Theo suffocates her; Theo voices his doubts about his mother to Noah, who tells him to stop questioning his mother.

While heating up some frozen waffles for Ethan on the stove Liz turns on music Mozart for the baby and accidentally starts a fire causing Ethan to have a tantrum as Baz rushes into the apartment.

Ethan is reunited with his father; Liz tries to get a hold of Tom; Tom is rushed into surgery; Red returns Anya to Vasilia, she gives Red the file; Liz reads The Wonderful Wizard of Oz to her baby. 

While Red waits to see Glen, a woman says she recognizes him from her spin class, then starts singing to him.

Liz accidentally starts a fire while heating up some frozen waffles for Ethan.