Die Sendung mit der Maus means literally
The Show with the Mouse and has nothing to do with Mickey.
It's a long-lived children's entertainment and education program. One of their bits is presenting the intro in different languages like French, Chinese and so forth to give children a feel how different languages sound.
Now they've done one in the fictional
Star Trek language Klingon
:
https://www1.wdr.de/kinder/tv/die-sendung-mit-der-maus/video-vorspann-maus-klingonisch-100.html
