Are microwaves really just a form of light? What exactly is the electromagnetic spectrum? A science-mad A.I. system (voiced by GLaDOS actress Ellen McLain) uses song to explain this to a computer technician (Ed Wasser). With Casey McKinnon & Mike Romo.
| Name | Type | Role | |
|---|---|---|---|
| Ellen McLain | Guest Star | ||
| Casey McKinnon | Guest Star | ||
| Mike Romo | Guest Star |