‘Big Brother’

REALITY. More contestants enter CBS’s annual summer fishbowl of infamy as the series hits 13 seasons.

Season premiere, 9 p.m., CBS



‘Burn Notice’

DRAMA. Michael takes his most dangerous case of the season — helping his brother.

9 p.m., USA




COMEDY. If Louie wasn’t already on the ledge, house hunting in NYC is sure to put him there tonight.

10:30 p.m., FX