8 Out Of 10 Cats Does Countdown is a hilarious, clever, and quirky fusion of two popular UK television shows, taking the comedic antics from "8 Out Of 10 Cats" and infusing it with the cerebral challenges of "Countdown". Pulled from the BritBox library and originally aired in 2012, the show presents an unconventional layout for a comedy panel show where the fans of stand-up comedy collide with those of wordplay and numbers games.

The show is hosted by comedic gem Jimmy Carr, who is also the long-standing host of ‘8 Out Of 10 Cats’. Known for his distinctive laugh and razor-sharp wit, Carr is a natural entertainer who manages to keep the competition spicy and light-hearted. His humorous interjections between rounds and the way he handles the unique blend of comedy and game show makes him a central figure to the show's success.

Two teams compete against each other in each episode, led by the team captains Sean Lock and Jon Richardson, all regulars on ‘8 Out Of 10 Cats’. Sean Lock, with his deadpan style, irreverent humor, manages to induce laughter every time he pick up a tile. On the other side, Jon Richardson, known for his self-deprecating humor and anxieties, provides an interesting contrast to Lock. These team captains bring their own distinctive flavor of humor to the game with equally competitive spirit which propels the show's banter and camaraderie to another level.

The teams are completed by a roster of special guests, who vary in each episode providing the show with a fresh and dynamic feel. Guests include a wide variety of British comedians, each with distinctive comedic voices that add to the cacophony of fun and laughter in every episode. They take part in both the word challenge and the numbers game, fueling the experience with their innovative methods to solve puzzles, hilarious approaches to the challenges, and adding to the general riotous atmosphere on set.

Maintaining the tradition of the original Countdown show, there is Rachel Riley, the mathematics wiz, displaying her amazing dexterity with numbers and calculations, injecting an educational note into the show’s comical format. On the lexicography side, there’s Susie Dent who sits in Dictionary Corner and has a knack for uncovering the most obscure and amusingly baffling words in the English language, further fueling the playful tone of the series.

When it comes to gameplay, "8 Out Of 10 Cats Does Countdown" faithfully sticks to the premise of the original "Countdown" but with a comedic twist. Teams engage in a series of rounds, where they compete to form the longest word from a random assortment of nine letters or solve complex comparative number equations. Points are tallied, and the winners receive not only the glory of the victory but often a humorous, bizarre prize, blending the competitive nature of the game with the unabashed silliness of a comedy panel show.

The set of the show mimics the traditional layout of "Countdown" with each team situated on either side of a large clock, the timeless symbol of the show. It keeps the audience on their toes as it counts down towards a tense climax, adding a classic game show vibe to the otherwise chaotic, but brilliantly structured, comedic format.

In addition to the usual rounds of word and number puzzles, the show also features occasional comedy sketches and stand-up sets which further add to the variety and charm of the show. These segments range from the hilariously absurd to the downright bizarre, incorporating everything from magic tricks to musical performances.

8 Out Of 10 Cats Does Countdown is both a zany laugh-out-loud comedy panel show and a compellingly addictive game show. It's an excellent way to test your own wits against celebrated comedians while having a laugh at their expense. There's a balance between intellectual challenge and silliness that the show beautifully accomplishes. First aired in 2012, it keeps bringing viewers back for more with its quick wit, self-deprecating humor and unique rendition of the beloved games from Countdown, making it a must-watch for any BritBox subscriber.