The Hills, One Big Interruption

After a rocky summer with her boyfriend Jason, Lauren decides to break it off and returns to work to face her boss. Heidi finds herself in trouble with a guy both she and Audrina are dating. (S2, ep1)

Lauren goes on her first date since Jason and is tested at work when she's asked to work a fashion show. Heidi has a life changing secret she must tell her boyfriend. (S2, ep2)

Uninvited Audrina goes to Heidi's birthday, she learns Heidi's not ready to forgive and forget. Lauren, determined to focus on work, falls for the charms of the new guy in her life, Brody. (S2, ep3)

Audrina tells Heidi about Spencer's cheating ways, but Heidi is doubtful - until she sees it for herself. Lauren continues to wonder whether she is ready for a relationship. (S2, ep4)

Heidi calls Spencer out on his flirting behaviour after warnings from girlfriends, Heidi gives him another chance. Lauren and Whitney are threatened by the new arrival Emily at Teen Vogue. (S2, ep5)

Heidi and Lauren get into a major argument about Spencer as Lauren feels like she is losing Heidi as a friend. (S2, ep6)

Lauren realises she can't trust her best friends after Heidi hooks Jen up with Brody. (S2, ep7)

Spencer asks Heidi to move in with him but Heidi doesn't know what to do or how to tell her roommate, Lauren. (S2, ep8)

Heidi faces a difficult decision. (S2, ep9)

Lauren's turning 21 and Heidi has big plans for the birthday bash. But, before the party, Heidi decides it's time to tell Lauren about Spencer's big idea to move in together. (S2, ep10)

With a new job on the line, Whitney stumbles in her biggest opportunity with Teen Vogue. Spencer goes too far when he pressures Heidi to leave Lauren and move in with him. (S2, ep11)

In this season finale, Heidi makes her final decision about moving in with Spencer. Lauren looks to Audrina to fill the void left by her best friend, and Whitney flies to New York. (S2, ep12)