not sure why you used wget when the video shows use of the kaggle tool to download data.
I’m lazy and dislike creating work for myself.
https://www.kaggle.com/c/dog-breed-identification/submissions?sortBy=date&group=all&page=1
kaggle competitions submit -c dog-breed-identification -f submission.csv -m “Message”
this will put the data in ~/.kaggle/competitions/dog-breed-identification/
then unzip to dir of your choice. the video shows use of “data/dogbreed/” which will be relative to the dir your notebook is in.