There is curently not a Season 3 of Secret Life Of A American Teenager but Season 2 Episdoe 5 is called "Born Free" which aired 7-20-09.
Adrian and Grace fought in Episode 17 of season 1. The title of the episode is "Unforgiven".
The Episode where Ashley goes to the first day of High School is called "Summertime" It is Episode 7 of Season 2.
The episode is called: "aptitude". It is the last episode in season 2 (season 2 Episode 39)
A New Kind of Green
it is from season 3, episode 20. the episode name is "Doin' Time in Suite"
there is no such episode
It is a season four episode entitled "Half a Life."
The seasons don't have names, just numerical designations, but the first episode was the three parter, Secret Origins
S&m by rhianna
Season 3 episode 13 What I don't like about you
You Don't Know What You've Got ...
That was It's A Good Life, season 3, episode 8.