Favorite Multilingual TV Series

Using more than one language in a single TV series can accomplish many things, including the depiction of how interconnected we all are, no matter where on the globe we may be or to what culture or cultures we may belong. Each of the following series uses two or more languages. Whether by creating authenticity, enhancing atmosphere, or illustrating how dependent we are on communication and how interdependent we are on each other, which series uses the changing languages to best effect?

After voting, please feel free to discuss here. Vote for Multilingual Movies here and here.

Note: The list includes only series with real (not fictional) languages, with original episodes after 2000, and with ratings of at least 7.0. No children's shows or mini-series were included.