The Silver Eyes of Izac (銀色の眼のイザク Gin'iro no Me no Izaku) is the forty-third episode of Ultraman Gaia.
- "I could also hear Izac's voice. Izac was born on this Earth, and all he wanted was to live on this planet. But I..."
- "If fighting is so painful, you can lose that light. You know it wasn't you who slew Izac. We humans, who made the Artes Tigers extinct, slew him. Gamu, You once said, that humans could change. I want to believe that."
- "But, unless man shoulders the pain of their errors from the past, they cannot truly change."
- "We won't forget Izac."
- Ultraman Gaia Volume 11 features episodes 41-44.
- The episode gets its name because of Izac's eye color.
- Agul in this episode follows a pattern which also starts in episodes 45, 48 and in the OVA: Gaia Again in which he comes in first to deal with the monster but gets beaten.