Final answer:
The television show serves as a form of commentary on Egyptian national life, highlighting the social lives of its characters and embedding them within historical and political events.
Step-by-step explanation:
The significance of the television show that is on when Amir and Sohrab return from their picnic is that it serves as a form of commentary on Egyptian national life.
The show portrays the social lives of its characters, highlighting their fortunes and relationships, while also embedding them within historical and political events. The overall theme of the show is one of national unity, as characters, from all classes, ultimately prioritize love of country over personal desires.