S7, E22: Mark and Becky find a tiny run-down trailer in a trailer park, and decide to make it home. Determined to fix up their home all on their own, they turn down offers of assistance from Dan and Roseanne, who in turn have to find covert way to help the kids out. Roseanne discovers that they will need to come up with $2,000 to prepay for the baby's doctor and hospital stay.