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As homestays continue, one couple's problems worsen, close family ties put strain on another marriage, and probing questions lead to an explosive argument.

The gang run into Penny's ex-boyfriend, Zack, at a wine bar. Bernadette, who can't drink, hangs out with Sheldon.

Sheldon pays Stuart to spend the afternoon shopping with Amy so that he can queue up to see a special film screening instead.

Conflict arises when Leonard's recently divorced parents and Sheldon's devoutly religious mother are all in town at the same time.

The gang face an awkward morning after Sheldon's mother and Leonard's father share an evening together. Penny's family arrive in town.

Joel races to Leela's side, while Leela is forced to have Abe as her birthing partner, as the feud between Grace and Mercedes boils over.

Phil's been doing basketball training so that he can redeem himself at the annual charity game. Then NBA stars Charles Barkley and DeAndre Jordan turn up..

DTF: Three more singles enter the dating experiment, including Alan, who's worried that women can't see past his tats, tan and teeth.

At the final Commitment Ceremony, one couple's agonising wait to reunite finally comes to an end, resulting in their most emotional session on the couch so far.

Binky juggles a busy work schedule with solo parenting. Lucy battles body-confidence issues as she models her maternity line. And is Rosie ready to start a family.

Oprah with Meghan and Harry - and, on the News, the royal response. Plus: Piers Morgan on Good Morning Britain; The Celebrity Circle; and Teen First Dates.