Nova is having an off day, and, as her worries pile up, the colour in her life disappears. McLaren learns a valuable lesson about the gloomy greys and being there for her sister.

Nova loves her high-energy workouts with Boulder but feels left out when the crew skip training to party with McLaren. Determined to win everyone back, she enlists Sid to help.

Nova is unhappy that a fan wasn't enjoying her show, and her resulting huge tantrum rattles the Jefferson and upsets a sleeping baby planet - can everyone be soothed by the dancing Dollograms?

Nova wants to win the Boodlebeegan Song Contest, but when she accidentally finds a way to enter, she discovers that not every competition needs to be won.

Nova is thrown back in time and becomes trapped in her old girl band, Three's the Charm.

Fashionably late for the uber-fashionable Comet Ball, Nova has to collaborate with a difficult designer to make a dazzling new dress - the fashion clock is ticking!

When Nova's songs have a bad influence, McLaren finds a way to stop fans listening, but without Nova music the universe is sad. To fix it, Nova must do the unthinkable: apologise.