Doctor Who episode 'The Interstellar Song Contest' is reviewed as campy and fun, despite being overstuffed with excessive plot.The episode features an alien song contest similar to Eurovision, with the Doctor and Belinda getting involved in a dangerous situation.The Doctor confronts terrorists threatening the event with a deadly plan involving a broadcast delta wave.Themes of revenge, cultural identity, and redemption are explored throughout the episode.Surprising reveals include Susan's appearance and the reveal of Mrs. Flood as The Rani, introducing classic Time Lord characters in a new light.The Doctor's complex familial relationships and the show's deeper subtext are touched upon, adding layers to the narrative.The episode blends harrowing moments with levity, showcasing the distinctive tone of 'Doctor Who.'The 45-minute format feels limiting for exploring the rich themes and intricate storylines presented in the episode.Overall, the episode is praised for its impactful storytelling, engaging character dynamics, and unexpected twists.The finale's cliffhanger leaves viewers eagerly anticipating the resolution and further developments in the series.