The Story So Far...

S4 Episode Seven: "Birth of the O.R.A.C.L.E." - Part 2

S4 Episode Six: "Birth of the O.R.A.C.L.E" - Part 1

S4 Episode 5: "House Rules"

S4 Episode Four: "Chase or Be Chased"

S4 Episode Three: "Caught in the Shuffle"

S4 Episode Two: "The Cards Are Set"

S4 Episode One: "Regulars"