As shown in medias res at the start of the episode , Walt drives the RV into a ditch and stumbles out of the vehicle , discarding his gas mask .
Walt frantically drives the RV away from the spreading brush fire .
As shown in medias res at the start of the episode , Walt drives the RV into a ditch and stumbles out of the vehicle , discarding Walt 's gas mask .
Walt frantically drives the RV away from the spreading brush fire .