It's the first day of a new school year. Brooke has self-image issues. Sam thinks Brooke is shallow. Josh tries out for a musical. Sugar raps. Nicole's picking a new cheerleader. Carmen and Mary Cherry apply. Lily won't dissect a frog.
Josh is pressured to quit the musical. Brooke comforts Carmen. Sam and her friends aren't invited to Glamazons' exclusive party. Sam and her dreamy teacher Luke have dinner. Lily still won't dissect a frog. Jane and Mike have big news.
Sam and Brooke clash over their first family dinner. Ms. Glass tries to make conscientious Lily cave in and dissect a frog. Josh's football coach and drama teacher clash over him. Sam's new editorial angers Nicole. The Novac is explained.
Josh has a spontaneous erection when Sam sits on his lap. Carmen accidentally sends everyone her e-mail about this embarrassing event. Harrison comforts hurt Brooke, while Sam and Josh bond. Lily's broke and finds a fast food job.
Carmen invites the cheer-leading squad to her sweet 16 slumber party, causing Sam to question their motives. At the party Nicole tries to impress Carmen's older brother, Leo.
Sam discovers that Nicole, Mary Cherry, and Poppy have stolen the answers to the Biology midterm, and she sets out to gather the evidence she needs to turn them in.
Brooke, Poppy, Mary Cherry, and Carmen are nominated for the Junior Court Homecoming Queen. Each runs a different style of campaign. Cherry's mom Cherry Cherry is introduced. Brooke and Sam can't stand living together.
Sam and Brooke bet on if Sam can land a boyfriend by the end of the week and if Brooke can prove that her relationship with Josh is more then just physical. Also, the gang plans to lose their virginity.
The students have to find nominees for Principal for the Day. While a custodial strike leaves the school a wild mess. Meanwhile, Brooke fears she may be pregnant, and Harrison has to deal with his mother being a lesbian.
"Popular" does Dickens' Christmas Carol. Everyone is invited to Sam and Brooke's first joint annual Christmas party. Carmen breaks her ankle and can't try out for Glamazons. For being a Grinch, Nicole's visited by the ghosts of Christmas.