The actress who plays Carla's eyebrowless sister is Joselin Reyes, the fraternal twin sister of actress Judy Reyes who plays Carla.
This is the first time Dr. Kelso refers to Turk as Turkleton.
With George Takei at his side, Turk flips his phone open to answer it like it was a Star Trek communicator.
When Ted's band the Worthless Peons play the Beatles hit "Eight Days a Week" at Turk and Carla's wedding, Ted is playing a Höfner Violin Bass, the same bass Paul McCartney played as a member of the Beatles. Like McCartney, Ted even plays left-handed.
Despite Turk having at least one sister and two brothers, one of which is meant to be his co-best man, none of his siblings seem to be in attendance at his own wedding. The only member of Turk's family seen in this episode is his mother. It is possible his other siblings could not attend the wedding due to other commitments.