Extruder Skipping
In the video about the skip can be heard in the middle of the video.
Try a Larger Nozzle, consider using a 0.6mm if you are currently using a 0.4mm.
Try a Larger Layer Hight.
Measure with calipers if the filament expanded inside of the Bowden Tube. This might occur due to Heat Creep.
Check for Z-Axis Slipping.