A Mouse in the House: An Expedition Into the Kitchen (2013)

This animated musical takes place in an ordinary house where, in addition to its human inhabitants, lives a family of mice. The three siblings Ferda, Pupik and Masle leave their little mouse hole through secret passages in the wall on adventures through the whole big house. In the end, they are always saved from various accidents and dangers by Grandpa Fousek, though his grandchildren don't know it.

Unfortunately the movie A Mouse in the House: An Expedition Into the Kitchen is not yet available on HBO Max.