Kammala wannan jumla: Rassilon na gaba bayyanar sauti ya zo a cikin "Matakan da ba a tsammani", wanda ya kammala jerin tara na Big Finish Productions spin-off "Gallifrey". A lokacin da
Yaƙin Lokaci Sarkin Lokaci Valerian (David Sibley) ya zama mai masaukin baki wanda ta hanyar Rassilon aka tayar da shi don jagorantar Gallifrey. Wadannan abubuwan zasu haifar da jerin goma na spin-off inda Terrence Hardiman zai taka rawa. Wannan kakar ta ƙare tare da Romana yana ƙoƙarin shirya kisan kai don dakatar da mulkin kama karya, yana ƙare tare da Rassilon yana fara farfadowa. Jerin ya ƙare a kan wani dutse kamar yadda yake amfani da farfadowa a matsayin damar farfaganda.