The ghosts of bakers past - Rosie, Jamie, James, and Ruby - whip up miniature panettones, Christmas puddings and delightfully deceptive illusion cakes.

Old acquaintances are not forgotten as faves Henry, Nancy, Rahul, and Helena make fruit crumbles, bao buns, and cakes representing their 21st birthdays.

The cast of "It's a Sin" enjoys a festive fest-off by baking boozy Yule logs, a clean-out-the-fridge leftovers pie and elegant edible Christmas trees.

Bakers from seasons past scramble to make New Year breakfast buns, a vasilopita cake that's light on instructions and a biscuit-based winter diorama.

Five Channel 4 stars make merry bauble cakes, tear-and-share pastry trees and festive wreaths with a base of their choice: meringue or pâte à choux.

Cue "Auld Lang Syne"! Alumni bakers create savory Wellingtons fit for a New Year's dinner, vegan baked Alaskas and dazzling but daunting bûche entremets.

Bakes from series past return to put their spin on traditional mince pies, craft intricate snowflake breads and whip up cakes inspired by former flops.

Four former contestants kick off the new year with a sweetly stacked religieuse, a fiendish galette des rois, and a creatively decorated smash cake.

It's a mouthwatering winter wonderland when Rav, Benjamina, Rob, and Sandy return to bake snowy bombe Alaska tarts, Kransekakes, and magical ice cakes

Yuletide cheer abounds as returning bakers Flo, Liam, Jane and Andrew prepare iced biscuits, Icelandic flatbread, and gift-shaped hidden design cakes

Paul awards his first hug as Kate, Steven, Tamal, and Candice whip up iced stollen wreaths, meringue snow eggs, and New Year's resolution cakes.

Bakers Briony, Yan, Terry, and Tom make a sweet and savory return and tackle festive cake pops, sausage roll wreaths, and gingerbread showstoppers.

The title of Christmas star baker is on the line for Val, Selasi, Beca, and Paul as they serve up their best Yule logs, mince pies, and snow globe cakes.

The fun-loving cast of "Derry Girls wing it as they do their holly, jolly best to impress Paul and Prue with trifles, blini, and 3D cakes