In the bar Oskar says "satans-jävla-helvete", a combination of three Swedish curse words.
The Kjellin shoe brand was made up for the show.
In the hospital, Shawn tells Gus he is thinking of acting like his break up with Juliet the previous night never happened, which he refers to as "Go Costanza". Gus tells him, "That didn't even work for Costanza". This is a reference to the Seinfeld episode, "The Revenge". In it, George Constanza tells his boss off publicly and quits his job. Regretting his rash actions, he decides to go back to work the next morning and pretend the incident never happened.
Spot the Pineapple: there is a toy pineapple on the table in the guesthouse where Elin is staying.
This is second episode to not play the theme song during closing credits.