If you are ready to dive in, don't just watch the videos. That is passive learning. To truly develop the link, do this:
Immediately after the video ends, close your eyes. Can you see the room? Can you walk through it? Sketchy provides a "quiz" mode where the screen goes black and you have to click where specific symbols are. Use this. If you cannot remember where the "dog with the orange collar" is, you do not know the drug yet. sketchy medical pharmacology link
Before you click the video (e.g., "Beta-Lactams"), review your class notes or First Aid for the USMLE. Know the broad categories. Sketchy is for memorizing the details, not for learning the concept of "cell wall synthesis" for the first time. If you are ready to dive in, don't just watch the videos
Click your link, open the video, and watch it at 1x or 1.5x speed. Pay attention to the narrator's pointer. When they highlight a blue bottle, repeat the fact out loud: "Blue bottle = Bactrim." Can you see the room
This is the secret sauce. Download the "AnKing" deck for Step 1/2. These cards have Screenshots from Sketchy embedded. When you see a cropped image of a "purple dragon" (Phenytoin), your brain will automatically click back to the video you watched via the link.