Links:
Video about i-Umlaut:    • Why 'Mice', not 'Mouses'? I-umlaut in...  
This video’s sequel about Germanic grammar shifts:    • Summarizing Germanic grammar shifts: ...  

Translations:
15:27: (French) Can I offer you a nice phoneme in this trying time?
15:55: (Polish) Can I offer you a nice phoneme in this trying time?
16:54: (Danish) Sorry, I had to... y'all understand - Also now I'm hungry, this potato looks really good.