While there are many TV shows with a , there isn't a widely recognized episode specifically titled "Twice." It is likely you are referring to one of the following notable S3E9 episodes or shows with "Twice" in the title or plot: " The Rains of Castamere " (Game of Thrones)
Titled "A Farewell," it deals with the sudden death of energy vampire Colin Robinson on his 100th birthday.
The Starks arrive at the Twins for the wedding of Edmure Tully and Roslin Frey. The event ends in a brutal betrayal where Robb Stark, his pregnant wife Talisa, and his mother Catelyn are murdered by the Freys and Boltons. [S3E9] Twice
This is the most famous Season 3, Episode 9 in television history, famously known as the .
In this episode, Carrie finally breaks up with Aiden after he violates her boundaries. While there are many TV shows with a
Titled "NeXT," it explores the internal fracture at Mutiny as Donna and Cameron find they can no longer work together.
If you provide the genre or a few character names, I can give you a much more detailed guide. This is the most famous Season 3, Episode
Although it is actually , this episode is frequently discussed alongside Season 3 highlights.