In kingdo hearts, fter finishing the first four levels, when do new worlds show up?

I think I finished the first four worlds of kingdom hearts. I beat Cerberus in the coliseum, I beat clayton and the stealth dude in the deep jungle, I got all the evidence and beat the trickster after alive escaped in alive in wonderland, and I think I finished traverse town. when do new worlds pop up?? it won't let me access deep jungle anymore but I can access the other worlds. HELP!