The Power of the Daleks - S4-E3
Easter egg: DVD. Power of The Daleks special edition disc 2, select special features, click enter, then go down to original title sequence film. Press the left arrow to highlight a pink rectangle then press enter to see the Derek Dood collection.
The Power of the Daleks - S4-E3
Easter egg: Power of The Daleks special edition disc one, select special features and click enter, then press the left arrow to highlight a pink rectangle, then press enter to see a cut scene of animation.
Answer: It was never destroyed on-screen; it was intact at the end of the TV movie, and destroyed by the start of the 2005 series. It was destroyed in the novel "The Ancestor Cell," but in a completely different manner to what happened in the series.
DaveJB