Der Tatortreiniger is a comedy series about a man who cleans crime scenes for a living. This premise alone proves that one can truly joke about anything. Word of warning: the jokes do tend to be on the dark side, and though the amount of gore is limited, der Tatortreiniger is definitely not suitable for minors or those of a sensitive disposition.
Traditional language courses can be time-consuming and expensive. And not everyone learns in the same way. Fortunately there are many fun and free options available for those that are unable and/or unwilling to spend a lot of time and money studying a language.