Template:On this day
First airings in UK
| Image | Title | Series | Season | Episode | Air date |
|---|---|---|---|---|---|
|
"Chain Reaction" | Stargate SG-1 | 4 | 15 | 13 December 2000 |
SG-1 must adjust to a new commanding officer when General Hammond steps down — but O'Neill discovers foul play behind the general's resignation.
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|
"The Fourth Horseman", Part 1 (1 of 2) | Stargate SG-1 | 9 | 10 | 13 December 2005 |
Earth is infected with a deadly Ori plague, prompting an ally from SG-1's past to come to their aide. Gerak proposes that the Free Jaffa follow the Ori religion.
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|
"Phantoms" | Stargate Atlantis | 3 | 09 | 13 December 2006 |
Sheppard and Ronon are influenced by a mind-altering device created by the Wraith while on a mission to rescue a lost team.
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|
"Company of Thieves" | Stargate SG-1 | 10 | 09 | 13 December 2006 |
Cameron Mitchell must go undercover inside the deadly Lucian Alliance to prevent his teammates from becoming casualties of an Alliance civil war.
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