If they really play the whole 401 before the season premiere then it wouldn't be premieres when they aired in their usual slot. That must be an error. I also don't get why they made Hot to the Touch 202B. I thought that was a direct follow up to the season 3 finale.
Young Justice: Invasion, that's pretty cool. Quite a few season finales.
Flapjack, Courage, KND, Gym Partner, I Am Weasel and even Evil Con Carne is on Best of CN. Awesome, and Fosters got 22 min episodes, so that could mean Ben 10, Samurai Jack etc. in the future.
I couldn't help but notice that Fosters got Cheese episodes and serveral Scooby-Doo related episodes are played.