ben 10 in: dreamworks trolls

when Ben and Rook were at Mr. soomthies a portal opened up and it sent them to a strange world ware music and happiness exist. that's when the two find themselves transformed into tiny creatures called trolls. now ben and his partner have to help save trolls from being eaten by a power crazed bergen.

This takes place after the defeat of malturant in ben 10 omniverse. On the ben 10 side.

And for the Trolls side, it takes place two years after band together.