Complete the following sentence: The Dalek race, which first appeared in the show's second serial in 1963, are "Doctor Who"s oldest villains. Daleks are Kaleds from the planet Skaro, mutated by the scientist Davros and housed in mechanical armour shells for mobility. <unk> Daleks are Kaleds from the planet Skaro, mutated by the scientist Davros and housed in mechanical armour shells for mobility. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ 🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk>🇪<unk> ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ They even attack the Time Lords in the
Time War, as shown during the 50th Anniversary of the show. They continue to be a recurring'monster' within the Doctor Who franchise, their most recent appearance being the 2021 episode "Revolution of the Daleks". Davros<unk> has also been a recurring figure since his debut in "Genesis of the Daleks", although played by several different actors.<unk> Davros<unk> has also been a recurring figure since his debut in "Genesis of the Daleks", although played by several different actors.