From this series onwards, the rescue team starts wearing orange suits with yellow life-jackets, instead of yellow suits with orange life-jackets, for ocean-based rescues.
The firefighters occasionally wear new blue uniform tops that don't have the characteristic silver buttons on the sides. These are permanently shown from Heroes of the Storm onwards.
The Breathing Apparatus sets now have a torch and pressure gauge attached to them.
From this series onwards there is now a BA board and vest which real life firefighters use to track firefighters in smoky buildings and to check how much air they have got left.
On July 26th, 2016, "Troubled Waters" was pulled out of circulation due to a bit of controversy over a scene where Elvis trips over a piece of paper with religious script on it. The producers apologised for the error and stated that they would no longer be working with the animation studio that was responsible for this mistake.