The story behind your social media feed, from BBC correspondent Marianna Spring and investigative journalist Matt Shea.

Top Comment investigates what's blowing up online. From global events that go viral across social media, to bizarre moments that spill into real life, Marianna and Matt unpack the trends, theories and digital chaos shaping our world.

You can register for Castfest tickets here: https://www.bbc.co.uk/showsandtours/shows/castfest-2026

You can also hear Marianna's previous series for the BBC in this feed, including Marianna in Conspiracyland, Why Do You Hate Me?, Disaster Trolls, Death by Conspiracy? and War on Truth.