Bright Lights, Big Changes!.Ash, his Pokémon and Rotom are visiting the set for Rotom's favorite Detective TV show. However, when Rotom notices a plot-hole, it barges onto the set during filming and shows off its complete knowledge of the show causing Ash to panic. In doing so, Rotom catches the eye of the producer, who decides to cast Rotom in the show, which may mean Rotom and Ash parting ways. Meanwhile, Eevee has had the best day ever playing with Pikachu and the Pokémon gang, but when they finally have to go home Eevee feels lonely.