Insert your dvd and wait at the dvd menu.
You will see 4 playing cards at the top of the screen. After 26 seconds of waiting at the menu with the Mind Control music playing in th background, the 4 playing cards will shake and then spin around.
Click the 2nd card on the left (the card with the square on it).
The egg is a 1:30 second outtake cut from the mind control series - it features a women saying "I haven't got a clue how he did that", "Anyone that does that is weird" etc repeatedly for several minutes with Derren sitting laughing.