At aproxamately 20 minutes into the episode, (just before comercial break)John Gage and Roy DeSoto are sitting in the squad talking, when the fire alarm goes off. then they show 5 firemen running out of the kitchen door. the problem is "Station 51" only has 6 firemen stationed there. 'Capt. Henry Stanley' 'Mike Stoker' 'Chet Kelly' 'Marco Lopez' 'John Gage' and 'Roy DeSoto'. Since John and Roy were sitting in the squad, who was the 5th fireman