The Magician's Apprentice (Doctor Who) episode is a blue-and-silver model as first seen in 1963. Clara, upon deducing the Doctor's location and intent, says "Do not go gentle into that good night", the first line of the titular poem by Dylan Thomas. When the Doctor spies Clara and Missy, he plays the opening notes to Roy Orbison's "Oh, Pretty Woman". The Doctor's playing electric guitar and teaching medieval people the term "dude" echoes the movies "Bill & Ted's Excellent Adventure" and "Bill & Ted's Bogus Journey", films featuring two rocker teens who travel back in time – in a telephone call box – and teach
Johnny Gentle "I Need Your Love Tonight", "Poor Little Fool", "(I Don't Know Why) But I Do", "C'mon Everybody" (a tribute to Eddie Cochran, who had died while on tour with Gene Vincent a few weeks earlier), and "He'll Have to Go". Gentle later wrote:"We met at the venue just half an hour before our first public performance together and all things considered we sounded pretty good from the off. Every night the sound we made got better, by the end of the tour I knew these boys were as good as any I'd worked with..."Gentle wrote a song on the tour,