MacGyver picking the lock with the lightbulb filaments has been confirmed as possible by the Mythbusters.
Natalia: You are black market.
MacGyver: No, we're just your basic revolutionaries.
Demetri: Power to the people!
MacGyver: Comrade, it is night. Wolves and owls can see. Men and flowers must wait for the sun.
Pete: Change the timing?
MacGyver: Remember Belgrade?
Pete: Mm. Don't change the timing.
Dr. Suvarin: Still having illusions that you are a political prisoner, Demetri?
Demetri: That's what I am, you bedbug.
Natalia: Is he really schizophrenic, or is he political?
Pete: He's ill. Why do you ask?
Dr. Suvarin: There are... different modes of treatment.
MacGyver: I've never been to Leningrad before. I hear it's a real... party town.
MacGyver: All this fun and you wanted to leave me behind.
Pete: Everybody makes mistakes.
Russian Officer: I am only a policeman.
Maria: Then find yourself an honest trade.
Pete: Maria, are you sure you can handle your part of this plan?
Maria: My part is simple, they take advantage of cheap labor from the village. But yours, MacGyver, is… it's a bit mad.
MacGyver: Yah, that's the idea.
Pete: What the hell are you doing here?
MacGyver: What do you mean what am I doing here? You take an emergency leave of absence, grab a soviet ID, a map of Northern Russia and you split. You didn't even say goodbye to me?
Pete: What, so you just naturally have to follow me?
MacGyver: Pete, we're friends. If you got troubles, I got troubles.
The German episode title is "Hinter der Mauer", meaning "Behind the Wall". The French episode title is "Affaire de conscience", meaning "A Matter of Conscience".