NFL Night: American top-secret singing competition. The celebrities perform songs from NFL Super Bowls as a wildcard enters the competition and one celebrity is unmasked. [S] S10 Ep3
2000s Night: American top-secret singing competition. The show takes a trip down memory lane with sixth series champion Jewel, *NSYNC's Lance Bass, and actress Kate Flannery. [S] S10 Ep4
2 Hour Grand Finale Part 2: The final two - the winner from Group A and Group B - perform and both are unmasked, before one singer is awarded the Golden Mask Trophy. [S,AD] S6 Ep14
Group B Semi Final: The final four group B singers compete in the semi finals and two are eliminated from the competition. Cheryl Hines joins the panel. [S,AD] S6 Ep10
Group A Semi Final: The final four Group A singers compete in the semi finals and two are eliminated. will.i.am joins the panel as a guest judge. [S,AD] S6 Ep9
Giving Thanks: The singers from Group B return in a Thanksgiving-themed episode, and the final wild card enters the competition. Joel McHale returns as a guest panellist. [S,AD] S6 Ep8
All-Time Countdown: A special countdown of the greatest performances in the show's history that also features behind-the-scenes footage of the unmasked singers from the sixth series. [S,AD] S6 Ep7
Season Premiere Part 2: Back to School: There is more action from Group A, as Hamster, Skunk, Pufferfish, Bull and Baby perform for the judges. [S,AD] S6 Ep2
Season Premiere Part 1: Group 1: The characters in Group A - Skunk, Octopus, Pufferfish, Mother Nature and Bull - perform for the judges. [S,AD] S6 Ep1