Question: What day of the week was the second season of the show the highest rated?
About the article "Modern Family", section "Ratings".

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In its original American broadcast, "Dance Dance Revelation" was viewed by an estimated 11.075 million viewers and received a 4.1 rating/11% share among adults between the ages of 18 and 49 dropping 15% from the previous non-special episode, "Manny Get Your Gun" and is the second lowest rated episode this season just behind "Mother Tucker".
Despite the drop the episode was the highest rated episode of the night.
The episode became the second highest rated scripted program of the original week it aired after "Glee".
The episode also became the highest rated show on the ABC network that week. 
Since its premiere, the series has remained popular.
In its first season, the show became the sixth highest-rated scripted show in America among adults between the ages of 18 and 49, and the third-highest rated new show.
Aided by winning the Primetime Emmy Award for Outstanding Comedy Series, the show's second season became the highest rated show on Wednesday on premiere week and also rose 34% from the previous season among adults between the ages of 18 and 49.
The show frequently ranked as television's top scripted series in adults 18–49 as well.
The success of the show has been positively compared to "The Cosby Show".
During the 2010–2011 season, "Modern Family" was the highest rated scripted show in the 18–49 demographic, and the third highest rated overall sitcom behind CBS's "The Big Bang Theory" and "Two and a Half Men".
The season also ranked first among DVR viewers.
The third season premiere became ABC's top-rated season premiere in six years.
The series' success in ratings has also led to the series being credited for reviving sitcoms.
In its original American broadcast, “The One After Ross Says Rachel” finished second in ratings for the week of September 21–27, 1998, according to Nielsen Media Research, with an overall 20.0 rating/33 share, equivalent to approximately 31.1 million viewing households.
It was the second-highest rated show on the NBC network that week after "ER".
Although these figures represented a slight decrease on the two-part fourth season finale which attracted 31.6 million viewers, it was an increase in viewership in comparison with the fourth season premiere figures of 29.4 million viewers, and was the highest rated episode of the fifth season. 
In its original American broadcast, "Family Portrait" was viewed by an estimated 10.01 million households receiving a 4.2 rating/11% share in the 18-49 demographic becoming the second highest rated episode of the series history.
It also beat "American Idol" in the Men 18-34 demographic and became the Wednesday's #1 Scripted Show for the 12th consecutive week.
"Family Portrait" ranked 10th in the 18-49 demographic weekly ratings becoming the 4th highest rated episode and the 3rd highest rated show of the week on American Broadcasting Company and 21st in the weekly total viewers the 6th most viewed episode and 4th most viewed show of the week on American Broadcasting Company. 
The total viewership for this episode was 16.03 million, making this episode the highest rated of the season.
It earned an 9.0/13 share for the week.