there isn't even a 19th episode for that season.(if it makes you feel any better season 9 has 19 episodes that will star to air late 2009).
BothScrubs: "My Lunch" Season 5 Episode 20; "My Night To Remember" Season 6 Episode 11Grey's Anatomy: Superstition - Episode 21
Season 8, Episode 20 - The One with the Baby Shower
Episode 20.
either season 4 episode 20 or season 5 episode 12
Without going through each episode and documenting each act of violence or bloodshed, it could be Season 4|Episode 20 Patriot Games.
Season 1 episode 20
Episode 3, Season 20.
Season 1 Episode 20 - Missing
season 1 episode 19-20
yes there is, and it has 20 episodes, you can watch all of them on youtube and they are so good! Especially the last episode!
Season 17 Episode 20
Season 1: Episode 20:: Theatricality