Lol when Brainy and Nia called themselves Brenda and Brandon I expected “The wonder Twins” and a fist bump. It was the perfect set up.
You are so right, and the ending where Alex gets mad at her about losing a trip to Europe was telling. They are not bonding as sisters, and in fact weirdly mirrors the first episode with Alex berating Kara for using her powers. Yet in that same ep she helps out with a date outfit.
The timeline is screwball. Cat should already be at the head of her media empire, not still being a gossip columnist for the Daily Planet. If Kara is 17-18 and about