1 0 , ▁the ▁show ▁returned ▁for ▁an ▁ 1 1 - ep is ode ▁run . ▁Wh ilst ▁not ▁formally ▁announced , ▁it ▁appears ▁the ▁te ens ▁now ▁spend ▁a ▁week ▁with ▁their ▁adopted ▁families ▁rather ▁than ▁the ▁ 1 0 ▁days ▁in ▁the ▁two ▁previous ▁series . ▁Each ▁episode ▁a ired ▁at ▁ 9 : 0 0 pm ▁on ▁BBC ▁Three ▁and ▁was ▁repeated ▁at ▁various ▁times ▁over ▁the ▁following ▁week . ▁It ▁was ▁also ▁moved ▁to ▁a ▁Monday . ▁ ▁Series ▁ 4 ▁( 2 0 1 1 ) ▁Series ▁ 4 ▁premier ed ▁on ▁ 3 ▁November ▁ 2 0 1 1 ▁and ▁featured ▁ 1 2 ▁te en agers . ▁The ▁series ▁ran ▁until ▁ 1 5 ▁December . ▁ ▁United ▁States ▁ ▁Season ▁ 1 ▁( 2 0 0 9 ) ▁ ▁Season ▁ 2 ▁( 2 0 1 0 ) ▁ ▁Un like ▁the ▁original ▁British ▁series , ▁in ▁which ▁te en agers ▁were ▁sent ▁to ▁live ▁abroad , ▁the ▁US ▁series ▁had ▁the ▁te en agers ▁remain ▁within ▁The ▁United ▁States , ▁as ▁the ▁program ▁was ▁produced ▁with ▁a ▁reduced ▁cable ▁network ▁budget ▁rather ▁than ▁that ▁of ▁a ▁national ▁broadcast ▁network , ▁and ▁law ▁and ▁pass port ▁concerns ▁as ▁some ▁episodes ▁would ▁likely ▁feature ▁subjects ▁which ▁would ▁not ▁meet ▁pass port ▁reg ulations . ▁Another ▁difference ▁was ▁that ▁their ▁own ▁parents ▁came ▁for ▁them ▁and ▁evaluated ▁the ▁stay ▁with ▁the ▁host ▁family . ▁ ▁Australia ▁ ▁The ▁Seven ▁Network ▁also ▁created ▁their ▁own ▁series ▁of