Season 4, Disc 4(i think): inside the Fridge
in the main menu theres a sandwich highligh it using the arrow keys and select it and you will recive an Alien Egg
Seson 4, Disk 4: Inside the 'The Devils Hands are Idle Play Things'
menu highlight the picture and select it, the Robot Devils Hands will apear, seelect them for a table read.
Season 4, Disk 3: Inside the 'Where No Fan Has Gone before'
menu, highlight the picture select itfor a Futurama/Star Trecks film?.
Season 3, Disk 1: iside the menu for 'Amozon Woman in the Mood,
try to highlight the picture clip and ye' will descove all the unused opening title sequence captions that weree never used.
Seson 3, Disk 1: inside the 'A Tale of Two Santas'
menu try to highlight the picture for a table read while the pictur is still highlighted try to select it again (i cant remember how) and a elf hat should apper select it and see an X-MAs mesage from David X.
I'll update this later when i remember more.