"Krysis" is the fifth episode of Red Dwarf XI and the 66th in the series run. Originally broadcast on the British television channel Dave on 20 October 2016, it was made available accidentally on 13 October 2016 on UKTV Play, releasing a day earlier than intended. Kryten becomes depressed, having reached the mid-point of his operational lifespan, and tries to find meaning in life again.