One of the most compelling shows about siblings I've ever seen is 'Succession'. It's a brutal, darkly hilarious look at the Roy family, where sibling rivalry is taken to Shakespearean levels. The writing is razor-sharp, and the performances—especially Jeremy Strong and Kieran Culkin—are phenomenal. What makes it stand out is how it explores the toxic blend of love and competition in a way that feels both exaggerated and painfully real.
Another favorite is 'The Umbrella Academy', which leans into the weird and wonderful. The Hargreeves siblings are dysfunctional in the best way, with superpowers adding an extra layer of chaos. The show balances humor, heartbreak, and action brilliantly, and the dynamic between Luther, Diego, Allison, Klaus, Five, and Vanya (or Viktor) is endlessly entertaining. It's a great pick for anyone who likes their family drama with a side of apocalypse.