'Ground Control’: The TARDIS is grounded by a safety officer who accuses the Doctor of using it as a weapon.

'The Big, Blue Box’: A human who remembers a "big blue box' appearing at important times in his life learns his true origins when he finally encounters the Doctor himself.

'To Sleep, Perchance to Scream’: The Doctor's anxieties and guilt manifest themselves during a surreal dream.

'Old Friend’: The Doctor answers a summons from a one-time companion named Barnaby Edwards, now elderly and in a nursing home, who carries out the Doctor's orders and delivers a package to the Doctor. Only problem is the Doctor hasn't met this companion yet in his time stream.