Step by Step S01E01 - Pilot

The Lamberts move in with the Fosters and the kids are fighting right off the bat. Frank and Carol want the kids to think they are dating but Frank accidentally announces that they got married in Jamaica. Al is having stomach pains and Frank believes she is faking it so she doesn't have to go to school. Carol takes Al to the doctor and it turns out that Al was not faking the pain and she needs to have her appendix removed. For a short time, the kids forget their rivalry and are more concerned with Al.