The Emplifier Saving Me : Season 2 Episode 6

When Old Bennett realizes he has no empathy, he returns to the past and helps his younger self create a device that can read emotions. His ultimate goal is to develop empathy when Liam gets heartbroken by a girl (Jessica) who he's afraid doesn't see him. However, when the machine short circuits, it begins making the city infatuated with Liam. At the same time, Ambassador Cogentor visits the Bramble parents job to learn if Earth is a good place to leave their planet's technology, but their entire species specializes in not showing emotions.