Background
Blue Virus
Blue Virus laughing (hint: the first frame is just Row 1, Stamp 2)
Blue Virus dying
Red Virus
Red Virus laughing
Red Virus dying
Yellow Virus
Yellow Virus laughing
Yellow Virus dying
Viruses
Pills
Pills - yellow and blue
Pills - red and blue
Pills - red and yellow
Dr. Mario
Dr. Mario throwing the pills
Dr. Mario giving up
Beaker