Deusche Welle has a nice series for German learners called Warum Nicht.
A snippet:
"Andreas is studying journalism. He has to finance his studies with a job as porter at "Hotel Europa" in Aachen. Join Andreas in this luxury hotel and meet Dr. Thürmann, the chambermaid Hanna Claasen and the mysterious being with the unusual name "Ex".
Helpful hint: If you already have a beginning knowledge of German, you can go directly to series III and IV. The story and characters as well as the grammar will be summarized at the beginning of each new series."