This Doctor Who screencap contains
strafanstalt, strafvollzugsanstalt, justizvollzugsanstalt, strafrechtliche anlage, zelle, gefängniszelle, gefängnis, klirren, knast, poky, pokey, jail, jailhouse, gaol, clink, and slammer.
There might also be
strafvollzugs, stift, zuchthaus, strafvollzug, maschendrahtzaun, kettenglied, and treppenhaus.
Basically Ten thinks he has the power of time so he goes back and saves Rose which causes the cracks in time. Eleven and Nine team up to rid the universe of him. Quite funny actually!