This episode, which originally aired on February 26, 2012, is best known for its heartfelt and quirky tribute to the Swedish car manufacturer , following its bankruptcy.

Episode 18.5, titled "All of This," is a recap episode that summarizes the events of the series up to that point. Community consensus on Reddit generally suggests it is skippable if you are binge-watching.

Jeremy Clarkson tests the Maserati GranTurismo MC Stradale , evaluating if it's too hardcore for road use. Other Possible "Episode 18.5" Matches

Episode 18.5, "Recollection," is similarly a compilation episode summarizing the first half of the Alicization arc.