Liv, Maddie and the rest of the Rooney clan start their new life in California; Ruby comes home from summer camp and gets excited to have sort-of siblings but ends up in the middle of a sister fight between Liv and Maddie.
Liv thinks she landed a small role on a hit show called ''Linda and Heather'' but her part turns out to be much bigger; Joey experiences relationship woes.
Liv takes Ruby to a spooky dinner and runs into an old acquaintance, and Maddie comes face to face with the real-life ''spider-sprayer''; Parker and Joey must convince their classmates to celebrate Halloween.
Liv and her fellow female co-stars of "Sing It Louder!!" attempt to break a stereotype by organizing a woodblock derby race against the boys. Meanwhile, Maddie and Willow take part in a challenge at their local restaurant.
Joey's popularity at school is threatened when an old nemesis from Wisconsin returns and Maddie feels the need to keep a close eye on Parker's new friend.
When Maddie and Josh start hanging out again, Joey feels awkward by their rekindled friendship. Meanwhile, Parker and Val find themselves in a jam when competing for a coveted finalist spot in the Mars Madness competition.
Liv gets vocal nodes and has to avoid singing until she gets surgery. Unfortunately she has to sing for a live event "Sing it Live". Parker and Joey however, come up with a disturbing invention.
After Liv undergoes vocal surgery, she is unsure if she'll be able to sing again, so Karen and Maddie call in reinforcements to help; Parker and Val are surprised by their competition in the Mars Madness finals.
