From episode 6x05 "The Rebel Flesh". From episode 6x06 "The Almost People".
Clara and the Doctor travel underneath the graveyard to the enlarged TARDIS in episode 7x13 "The Name of the Doctor".
Madame Vestra receives some important information about the Doctor from a murderer held in a prison in episode 7x13 "The Name of the Doctor".
Where John and Jack meet the rift, s2e13