Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Episode Number | Location | Original Airdate | Challenge Winner | Challenge |
| --- | --- | --- | --- | --- |
| 1.0 | Amarillo, Texas | December 3, 2008 | Man | "Big Texan Challenge", a 4.5 pound (2kg) steak |
| 3.0 | Pittsburgh, Pennsylvania | December 10, 2008 | Man | Atomic Hot Wings Challenge |
| 5.0 | Austin, Texas | December 17, 2008 | Food | Eight Don Juan El Taco Grande breakfast tacos |
| 6.0 | Chicago, Illinois | December 24, 2008 | Man | Three overstuffed sandwiches |
| 8.0 | Boston, Massachusetts | January 14, 2009 | Food | 12-pound Eagle Challenge Burger |
| 9.0 | New York, New York | January 21, 2009 | Man | Spicy Phaal ("the hottest curry in the world") |
| 10.0 | New Orleans, Louisiana | January 28, 2009 | Man | 15 dozen oysters |
| 12.0 | Seattle, Washington | February 11, 2009 | Food | "Southwestern Exposure", a twelve-egg omelette |
| 14.0 | St. Louis, Missouri | February 25, 2009 | Food | 5 24-oz. Milkshakes (Broken into 15 8-oz. glasses) |
| 16.0 | Denver, Colorado | March 11, 2009 | Food | "7-pound monster breakfast burrito" |
Question:
What is the original airdate of the episode where the challenge was three overstuffed sandwiches? 
Answer:
December 24, 2008