CITV The Epic Tales of Captain Underpants Catch up on the ITV Hub Animated comedy featuring two friends who re-imagine their headmaster as a superhero. 3 episodes available to watch Share this programme: Copied to clipboard Share on Facebook Share on Twitter Copy link to share Series 1 Latest 12. Captain Underpants and the Sickening Fumes of Smartsy Fartsy Tue Tuesday 14 Apr 7.50am The boys create a smart gas cloud to steal Mr Krupp's rulebook. 11. Captain Underpants and the Soggy Salvation of the Swirling Sweatnami Mon Monday 13 Apr 7.50am The boys go back in time and stop Mr Krupp from becoming a bully. 10. Captain Underpants and the Flustering Mindless Woe of the Flushable Memory Wipes Fri Friday 10 Apr 7.50am A chocolate pudding incident forces George and Harold into hiding.