蜂巢2021

　　Fiesta en la madriguera tells the story of Tochtli, a boy who likes hats, dictionaries, samurais, guillotines, and the French. And now, all he wants is a new animal for his private zoo: a Namibian pygmy hippo. HIs father, Yolcaut, is willing to satisfy his every whim, even if that whim is an endangered exotic animal. Because Yolcaut will always manage.

　　本集讲述博士和泰勒回到当代的伦敦渡过圣诞节。然而，外星人希克拉库斯（Sycorax）却在这时入侵地球。最终，因重生过后昏倒的博士及时醒来，击退入侵者。在英国，这集有980万人收看，并取得正面的评价。
　　这是扮演第十任博士的大卫·田纳特首次出演整部《神秘博士》剧集。此前，他在《背水一战》的最后一幕出场。同时，这是《神秘博士》首部的圣诞特辑。自此以后，BBC One每年均会制作一部圣诞版的《神秘博士》剧集。