No, dtube doesn't have playlists. In case you have more questions about dtube, you can join discord server and ask there in help channel : https://discord.gg/nGP38Rz

You also can promote your youtube channel here, like I'm doing in my posts in the buttom. Promoting your youtube is also good, so we will make sure you have the same videos there.

You can also join the community I'm building here, so mostly me and our members are active there to help : https://discord.me/dcooperation

Discord is the place where a lot of steem communities are created and we try to support each others there and to collaborate.