During their conversation Stefano calls Victor "stronzo", Italian slang for "asshole". Victor later retaliates by calling Stefano "malaka", which can also mean "asshole" in Greek.
Gabi and Will's address is 316 Copper Lantern Drive, Apt 17 Salem, USA 06643.
For the first time, Mia's last name is mentioned--which is McCormick.
When Chelsea and Morgan ask a nurse about Philip's condition, the nurse replies that she's been assigned to look after Philip's brother, Lucas Roberts, but Lucas officially changed his name to Lucas Horton after a falling out with Kate.
Marlena: I lost a baby to SIDS. This is a reference to the baby Marlena lost, Don Jr., with her then husband Don Craig.
This is Bryan Dattilo's final episode as Lucas Horton, but is expected to be back in a few months.
The twins are being officially considered Horton Baby Boy and Horton Baby Girl. Although Sami and Lucas have discussed naming the boy John Roman Roberts, he has not been given a legal name yet.
Artemis and DeMarquette state respectively that they are 10 (Artemis) and 8 (DeMarquette).
Stefano comments that Tony was raised a DiMera. Tony was actually raised in Australia by his mother, Daphne. It wasn't until he was a grown man that he even learned he was a DiMera.
Bob Harper and Alison Sweeney (Sami) both star in The Biggest Loser.
Belle Kiriakis: We are from New Brunswick, Nova Scotia.
New Brunswick is a province in Canada, as is Nova Scotia. It is not located in Nova Scotia.
While at the DiMera crypt in Italy, John and Marlena find a crypt in the name of Gina DiMera. It's not stated what relationship Gino was to Stefano.
Lexie reads Kayla's blood pressure as 120/85. Kayla remarks that she knew her blood pressure would be high today. However, 120/85 is actually in the healthy and ideal range for an adult female.
Hope refers to Nick Fallon as her 'second cousin'. This is incorrect -- Hope's first cousin is Nick's mother, Jessica, meaning that Nick is her first cousin once removed. Nick and Shawn-Douglas would be second cousins, since their mothers were first cousins.
Patrick is wearing a shirt with the symbol of the Phoenix on it, a possible foreshadowing of his connection to Stefano DiMera, the Phoenix.
When Kayla picks up the wedding picture of her and Steve, the eyepatch is on his right eye, but in the flashbacks and in Nick's conversations with Jack, the patch is on his left eye.
E.J. claims to have deduced Sami's name after seeing her initials, S.J., on stationary in her apartment. Sami's initials are not S.J. -- her middle name, Gene, comes from her mother Marlena's dear friend Eugene Bradford. Sami's initials would be S.G.
Frankie and Jennifer were still at the house getting ready when the wedding started. There is no way they should have been able to make it to the Church in time to witness the vows, yet they did.
Hope just got a box of stuff from Zack's school. There was a valentine in there for her from Zack. Well, Zack died on New Years Eve, which meant he hadn't even been in school for at least a couple of weeks because of the holidays. So why would he make a Valentine card in December?
Shawn reads the Christmas Story in this episode for the first time, dedicating it to baby Claire.