Because it didn't get good ratings.
canceled
Both are correct. Cancelled/Cancelling is British spelling. Canceled/Canceling is American spelling.
Canceled and cancelled are both correct ways of spelling this word.
verb
No, the word 'incredible' is an adjective, a word used to describe a noun, for example an incrediblesight; an incredible deal.The noun forms for the adjective incredible are incredibleness and incredibility.
Incredible Crew - 2012 I was released on: USA: 2012
Incredible Crew - 2012 I is rated/received certificates of: USA:TV-PG
Incredible Crew - 2012 I 1-10 was released on: USA: 2012
Incredible Crew - 2012 I 1-13 was released on: USA: 2012
Incredible Crew - 2012 II was released on: USA: 1 August 2012
Incredible Crew - 2012 I 1-5 was released on: USA: 2012
Incredible Crew - 2012 I 1-9 was released on: USA: 2012
Incredible Crew - 2012 I 1-8 was released on: USA: 2012
Incredible Crew - 2012 I 1-7 was released on: USA: 2012
Incredible Crew - 2012 II The Artist Within was released on: USA: 22 September 2012
Here they come y'all (x6) My crews incredible
Incredible Crew - 2012 I Pancake Genie 1-2 was released on: USA: 31 December 2012