What episode does ichigo fight ulqurra after 203 to go get orihime in the tower 5 and then aizen says its all up you ulquiorra?

That scene you're describing happens in Episode 211 of the Bleach anime, titled "The One Who Decides".

This is where Ichigo, Renji, and Chad go to Tower 5 to rescue Orihime from Ulquiorra, and after a brief confrontation, Aizen says, "Ulquiorra, it's all up to you now".