It's a big week for Azaleah Lane. The head teacher, Ms Li, is choosing a student to be the STEM lab monitor, and Azaleah's name is the one picked! But the week doesn't go quite as planned. First Azaleah gets paired up with a bossy classmate for a group project. Then the STEM lab guinea pig goes missing - on Azaleah's watch! Can she use her scientific thinking and detective skills to get to the bottom of things before it's too late? Or will Azaleah Lane go down as the worst STEM lab monitor ever?

Mum and Dad are heading out of town, which means Azaleah and her sisters get to spend the weekend at Auntie Sam's. The girls can't wait for their special weekend! Azaleah even decides to bake cookies to surprise her parents when they return. After all, as Mum says, "Cooking for someone is like giving them a gift." But the cookies are a disaster! Azaleah is stumped. She's sure she did everything right. Can Azaleah get to the bottom of the cookie catastrophe before Mum and Dad get back?

Azaleah's big sister, Nia, has been cast as Willa Wonka in the school musical, and the entire Lane family is looking forward to the show. Azaleah has even helped plan a surprise dinner party for Nia at Avec Amour, Mummy's restaurant. But then the real drama starts. At the first rehearsal, all sorts of things go wrong: missing batteries, sets falling over, props misplaced . . . It's so many things, in fact, that Azaleah suspects "foul play". And when the special effects on Nia's costume don't work at dress rehearsal, Nia is a nervous wreck. To top it all off, the high school journalism class is covering the performance for the school blog, and the director doesn't have time to replace Nia's costume. Nia has to wear it without the special effects. Azaleah becomes determined to make sure the musical isn't ruined for Nia. Azaleah has to get to the bottom of the mysterious rehearsal troubles, and finish party preparations, before the curtain goes up.

Azaleah can't wait for her school trip to the zoo, especially when her teacher announces the chance to earn extra reward stickers. But when Azaleah gets home, she quickly realizes earning those stickers won't be as easy as she thought. Azaleah's younger sister Tiana can't find Greenie, her favourite stuffed toy, and she's sure he's been stolen. With Mummy at the restaurant and Daddy at work on a big case, it seems Azaleah is the only one available to track down the stolen toy. Can Azaleah get to the bottom of the mystery in time to earn those stickers?

Nina, the littlest elf in Santa's workshop, doesn't finish the teddy bear she's making in time for it to get loaded onto Santa's sleigh-but, encouraged by Santa Claus himself to not give up, she works far into the night to finish it. While Santa is out delivering presents, a baby is born. Santa comes back for Nina's now-finished bear--and guess who he takes along to deliver it?