Gregg reveals how the supermarkets gear up for the biggest challenge of their year - Christmas. He sees what it takes to deliver millions of turkeys, finds out about the battle to make sprouts a crowd pleaser, and discovers how the supermarkets make sure we have got enough of our favourite Christmas tipple.
| Name | Type | Role | |
|---|---|---|---|
| Gregg Wallace | Guest Star | ||
| Tom Watt-Smith | Director |