53 - Shh, Sake Bombs in the Library (S4, Ep8)
We watch "Silence in the Library" (Season 4, Episode 8) where the Doctor takes Donna to a planet called The Library to show her that reading is FUNdamental! (Spoilers...it ain't) Whilst there, the Doctor meets his old friend River Song for the first time (Spoilers...it's timey wimey), Donna Noble leaves The Library however Donna Noble has been saved (Spoilers...it's complicated) and children are given another reason to fear the dark (Spoilers...it's creepy). Oh just hurry up and watch the second part (Spoilers...it's mother lovin' awesome!).