Lil doesn't want to act like twins anymore, she would rather do things on her own without Phil. Soon after, Dil recruits himself as Phil's new twin. However, Lil's new attitude is threatening the family's trip to the Twins Canyon theme park, where twins get in for half-off, if they dress alike.

Meanwhile, Chuckie refuses to participate in the mandatory President's physical education exam.

A talent scout feels that Susie has what it takes to be a singer. Her parents, however, object to her concert because they are worried that it will affect her grades. She then decides to fund the venture herself, by asking her older sister for the money.

Kimi leads a petition drive to ban cell phones in school. To prevent her from having the cell phones banned, Angelica hoodwinks Chuckie into helping her keep cell phones in school in her petition drive, while Susie helps Kimi counteract. Things get worse when during the debate at a school assembly, Chuckie reveals to the audience that Kimi wants a cell phone for Christmas, and they end up not speaking to each other and threatening not to attend their parents' (Kira and Chas) 10 year wedding anniversary. However, Angelica, Susie, and Tommy force them to attend to attend. At the Java Lava, Chuckie and Kimi argue with each other about cell phones until they make up after Tommy shows a video of their parents' wedding when they were babies.