Friday night started with a transfer assignment for Engine 9.  While crews downtown took in a working fire, Engine 9 was transferred to Station 4.  While covering 4's district we were dispatched to a fire alarm at the hospital which was determined to be accidental in nature.  Saturday brought a reported oven fire in Chuckatuck Village Apts.  Engine 9 arrived (R Kelly OIC) to find a light smoke condition from some melted plastic on the oven element.  The incoming units were cleared, E9 was assigned to ventilate.  Car 109 (Parsons) had command.  At 0602 on Sunday morning, E9 was dispatched with Carrollton St 10 to a reported overturned vehicle on Quaker Rd in the county.  Car 309 (Dortch) arrived to find a single vehicle on its side and established command.  E9, Car 109 and Carrollton Zone 10 (101) arrived.  The occupants had apparetly left the area, units cleared after a thorough search.