Although this is a conversational Japanese course and romaji is used in the video lessons, Japanese version of course notes (same contents) is available.
This is very useful notes and I recommend you to have this if you’re going to learn Hiragana/Katakana in the future.
However, if you don’t plan to learn Japanese letters: Hiragana & Katakana, you can skip this.

Course Notes of Hiragana & Katakana