Whats going on with NBC and ABC's shows?

all of nbc's comedys like parks and recreation, the office, and happy endings arent being added to hulu anymore, and there not on the official websites, are they all cancelled? the seasons cant be over because they all are at like 12 or 13 episodes and seasons are usually like 20 episodes, none of them say "season finale" or anything and the storyline just stopped whats going on?