My opinion: 1 > 4 (so far)> 2 > 3
I hate stupid money-making challenges with the high price from season 3 to season 4: Candy selling (season 2) > cake selling (season 1) > shoe shinning (season 4) > scaft selling and hat selling (season 3 - the worst)
About teams:
Faves: Orange, Brown, Yellow
Like: Purple, Green, Red
Meh: Blue
Dislike: Pink