Dennis Apergis

When a missing MI6 Officer is linked to a murdered petty officer, Gibbs sends Quinn and Bishop to Philadelphia to work with MI6 Officer Clayton Reeves.

Addison performs a complex in utero surgery, proving not only her talents to her father, but also finally giving them some common ground. Meanwhile, Sam and Naomi deal with their own family crisis.

When a nuclear-powered Russian satellite is knocked out of orbit, the new Director of Homeland Security Adriana Molina reunites the Scorpion team and puts them into action. Elsewhere, Paige and Walter confront their feelings.