In The Casagrandes series finale, "Movers and Fakers", Bobby was living in his own apartment. In this movie, he still resides at the family's home.
At the beginning of the movie, Ronnie Anne and Sid said that they were both 12 years old. Although Ronnie Anne was confirmed to be 12 years old in this movie, it's unknown if Sid turned 12 years old before, after, or during the events of The Casagrandes TV series.