Big Brother (USA)/Season Thirteen

Season Thirteen
Big Brother
Season Premiere	July 7, 2011
Season Finale	September 14, 2011
Episode Count	29
Previous Season Twelve	Next Season Fourteen

Season Thirteen of Big Brother premiered on July 7, 2011.

In-Depth

• Nominations and Evictions

Episodes

#	#	Title			Airdate
409	1	Episode 1301			July 7, 2011
410	2	Episode 1302			July 10, 2011
411	3	Episode 1303			July 13, 2011
412	4	Episode 1304			July 14, 2011
413	5	Episode 1305			July 17, 2011
414	6	Episode 1306			July 20, 2011
415	7	Episode 1307			July 21, 2011
416	8	Episode 1308			July 24, 2011
417	9	Episode 1309			July 27, 2011
418	10	Episode 1310			July 28, 2011
419	11	Episode 1311			July 31, 2011
420	12	Episode 1312			August 3, 2011
421	13	Episode 1313			August 4, 2011
422	14	Episode 1314			August 7, 2011
423	15	Episode 1315			August 10, 2011
424	16	Episode 1316			August 11, 2011
425	17	Episode 1317			August 14, 2011
426	18	Episode 1318			August 17, 2011
427	19	Episode 1319			August 18, 2011
428	20	Episode 1320			August 21, 2011
429	21	Episode 1321			August 24, 2011
430	22	Episode 1322			August 25, 2011
431	23	Episode 1323			August 28, 2011
432	24	Episode 1324			August 31, 2011
433	25	Episode 1325			September 1, 2011
434	26	Episode 1326			September 4, 2011
435	27	Episode 1327			September 7, 2011
436	28	Episode 1328			September 8, 2011
437	29	Episode 1329			September 14, 2011