Supergirl

Question: If Zaltar founded Argo City, why would he need permission to use the Omegahedron? Shouldn't he be allowed to use it when he wants?

Answer: The Omegaahedron is the power source for the whole city. It supplies the air, the dome that protects them, the lights, and the machines they need to survive.

Answer: It's never explained, she could have changed at super speed. In Superman II, when confronted by the super criminals at the Fortress of Solitude, Superman did a disappearing and reappearing act. So did the criminals. It might be a similar thing.

More mistakes in Supergirl

Lucy Lane: Look at that dingleberry.
Linda Lee: What's a dingleberry?

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