There are cameos for real-life BBC Eurovision hosts Rylan Clark and Graham Norton, and villains who almost share the names of James Bond assassins Mr Wint and Mr Kidd. "Who" fans will also note that singer Cora Saint Bavier (Miriam-Teak Lee) is representing Trion, the homeworld of Fifth Doctor companion Vislor Turlough.

The Interstellar Song Contest goes a bit too hard on trying to be silly and fails to adequately contrast it with rushed drama that doesn't make an impact.