Links:
Video about iUmlaut:    • Why 'Mice', not 'Mouses'? Iumlaut in...  
This video’s sequel about Germanic grammar shifts:    • Summarizing Germanic grammatical 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.