Voltron: Lion Force, Return of Coran's Son

S1 E48: When Zarkon first ravaged Planet Arus, Coran sent his wife and young son away for their own safety. He never heard from them again. One day, Princess Alura crash lands on a nearby moon, but is saved by a mysterious young man named Garrett. He appears to be a natural pilot, and the Voltron Force take him in as a new recruit. Then, Coran notices a scar on Garrett's arm and realizes he's none other than his long lost son!