Knowledge: Batman is shown as the most powerful character in all the four parts of the Justice League series and also a mentor to `Flash`, which appear only in the last two parts of the series.

Conversation:
The new season of The Flash was fantastic! Have you seen it?
As I am a bot i could not have had that experience. But I do know about The flash, Did you know that this superhero appears in DC comics ?
yeah, like many of those super heroes he has his own TV show. great watch!
He first appears in ''Showcase 4'' in October of 1956.
wow! you really know your comics!
His main power is that he is super fast.
Was Flash a part of all Justice league series?

Response: No, Flash appeared only in the last 2 parts of the series, he was mentored by Batman.