This is an "Easter Egg" on disc 2 of the 4-disc R2 DVD release of the 'Europa' Trilogy (collecting The Element of Crime (1984), Epidemic (1987) and Europa (1991)), distributed on June 13, 2005 by Electric Parc ApS [dk]. To find it: On the Special Features menu, move the selection icon over to 'DVD Credits' and select up with your remote. This will move the icon to the 'Alka-Seltzer' logo, and the egg will come up.