Tim and Heather plan a surprise birthday party for Samantha, but the night takes an unexpected turn when she doesn’t come home alone. Also, Matt and Colleen learn their surrogate…

Chicago real estate tycoon Lee Miglin is murdered in what police believe is a random killing.

When Team Scorpion travels to Ireland for Megan’s one-year memorial, Walter discovers that a nearby lake’s natural disaster has created a poisonous cloud that could kill everyone in the village….

When Team Scorpion and Walter’s parents visit Megan in the hospital as her health deteriorates, they are quarantined after a deadly fungus outbreak threatens to infect everyone.

House and the team take on the case of a ballerina whose lungs collapse in the middle of a performance. When the treatment causes her skin to fall off, the…

Catherine returns to Grey Sloan for a surgical case that makes Lucas and Blue queasy. Amelia treats a possible cancer patient with a family that’s a little too supportive. Owen…