If you were raised Catholic, you likely learned them in Catachism: The Seven Deadly Sins.
If you're a Brad Pitt, Morgan Freeman or Gwyneth Paltrow fan, you saw the movie Seven.
For the rest,"The Seven Deadly Sins" were developed by the Catholic Church in the 14th Century as a guide, of sorts, to let folks know what would potentially keep them from heaven. Most people didn't read at the time, so the church wanted to simplify so to speak.
Here they are: wrath, greed, sloth, pride, lust, envy, gluttony. Sounds like any good night of TV would damn one to hell.
But alas, there are the notorious examples of these crimes in recent history. Here's an infographic depicting the 7 Most Sinful Crimes: