What is big fat quiz of everything 2023?

As an AI language model, I don't have access to the future events. However, the Big Fat Quiz of Everything is an annual British television program that is aired on Channel 4. The show features teams of celebrities competing against each other to answer questions related to events, facts, and general knowledge from the past year. The show is hosted by comedian Jimmy Carr, and typically airs towards the end of the year. It is not yet certain if a Big Fat Quiz of Everything will air in 2023 or not.