In Too Deep - S1.E2

When Ultra tries to probe Stephen's brain, he looks to his fellow Tomorrow People for help, but is rebuffed by an angry John, leaving Cara to go behind John's back to help Stephen. Meanwhile, Ultra tracks down the identity of a new break-out, who has been using his powers to commit crimes. Stephen tracks down the new break-out, but is shocked when an Ultra swat team is called in. At a loss for what to do, Stephen calls on John, Cara and Russell for help, leaving them with a risk of also getting caught. Upon learning of Ultra's evil motives, John tries to convince Stephen to spy on Ultra to help save other potential Tomorrow People, while still pursuing the answers he seeks about this father.