Bonus Feature:

Insert the second disc of the DVD set an additional clip is included that can be accessed in two different ways. The first one is to simply leave the DVD sit at the menu for the episode 'Zontar' for some time. Alternatively, if you don't wish to wait that long, highlight the menu entry 'Play' in the 'Zontar' menu and then press your Right button. Both ways you will get to see a 5-minute clip from the 1966 TV movie 'Zontar, The Thing From Venus'.

All easter eggs were generously submitted by SirDonk