Smitten with Cai's new foster kitten, Dana tries to convince Cai to adopt the kitten while imaging what it would've been like for cave-people domesticating a Smilodon. When Grandma watches over Dana, Dana's disappointed because she and Dad planned to transform her bike into a Dromaeosaurus for Dino Experiment 612: How does a Psittacosaurus use its tail quills to protect itself.
At Grandma's farm Dana conducts Dino Experiment 625: What does it feel like to ride a Hippodraco? With Grandma's guidance and Saara's love of horses, they help Dana learn what it feels like to ride a "Horse Dragon". Dana wants to stay up all night to do Dino Experiment 623: Are there nocturnal dinosaurs? But her Dad's just come back from a late hospital shift and wants to go to bed.
Left reeling from the error of his ways, Tray goes into a tailspin and turns to Bobby for support.
In New Orleans, when a star witness identifies her boyfriend’s killers, detectives suspect it may be too good to be true. After two young men are killed, Detective Nick Williams tries to get their friend to change his ways before he becomes another victim. A teenager tells Tulsa homicide that his friend accidentally shot himself, but the evidence points in another direction. In Mobile, when a homeless man is brutally murdered, detectives conclude that it’s not just a random act of violence but something much more personal.
Dana accidentally lures a Smilodon into her house, but when mom tells her wiild animals aren't allowed inside Dana uses Nixon as bate to lure the Smilodon outside before Mom and Saara notice. Dana conducts Dino Experiment 608: How Do Dinosaurs Survive the Winter? With some holiday help from Ms. Currie and her grandsons, she discovers some surprising results.
When 28-year-old divorcee and single mom Ashley Pegram goes missing after meeting a man through a dating app, the race to find her focuses on her internet admirer. Detectives soon discover she is caught up in a nightmarish trap set by an online predator with murder on his mind.
Jake makes a devil's bargain, huge crab for hidden perils, until his boat itself is on the line. Sig serves cold justice at sea, while Wild Bill chases a King Crab jackpot.The Cornelia Marie crew learns when you bet on a boat, the house always wins
Ms. Currie asks Dana to help her choose a reptile that's most like a dinosaur to adopt for Trek's upcoming birthday. Together they scour the local Reptile Zoo and pet store for the perfect pet. Dana neglects to do her part to help take care of Nixon because she's too preoccupied with Dino Experiment 620: How do Edmontosaurus take care of their babies.
When Dana, Saara and Uncle Ravi go gokarting together, Dana learns helpful techniques from a nearby Stygimoloch to help as they race each other. Dana is doing Dino Experiment 624: Why does the baby Brachiosaurus eat so much? Meanwhile, Saara adeals with her very first face pimple, an early sign of growing up.
Picasso takes Françoise Gilot on vacation. Young Pablo starts cubism with Georges Braque, but is accused of stealing the Mona Lisa.
The smiths are forced to harvest steel from motorcycles to forge blades in their signature style, but things don't go according to plan; and after an intense race to the finish, the final two competitors have only five days to recreate a giant Indian two-handed sword.
When Uncle Ravi comes over for a curry cook-out Dana must protect Dad's special ingredient, a spicy mirchi pepper, from being eaten by hungry herbivores! Dana conducts Dino Experiment 618: What does it feel like to go as fast as a Compsognathus, the fastest dinosaur? With her Compsognathus skateboard she's ready to feel the speed, but first she must master the basics of skateboarding.
Dana has a nightmare where Saara's a Super Villain who steals an Ozraptor bone from a special, traveling display at the ROM. Dana learns that male Dromaeosaurus give gifts to impress female Dromaeosaurus, just like Dana's Dad did to try and impress young Dana.
In this two-part special, Dana creates an elaborate board game called the Game of Bones that brings out the competitive side of her family as she explains what happened when a meteorite ended the reign of the dinosaurs.
Harley and Sam re-open a cold case expecting a dead end but find a whole new angle to the crime.
A gunfight, a race for their lives... it's all going on for London cops Bishop and Pike as a notorious criminal appears out of the blue.
Team Flash gets help from a surprising ally in their battle against DeVoe.
Dana comes across a herd of traveling sauropods and learns about why and how they migrate. Using what she learns she helps Mr. Hendrickson's move into a new home a little easier. Dana and her family plan to have a picnic lunch, but find their picnic basket has been slashed. The family heads to Dino Court, to try "The Case of the Picnic Basket Slasher".
The winning contestant from the mystery box challenge joins the top three contestants from the invention test in this episode's two round immunity challenge.
Dana uses her time at Grandma's farm to conduct Dino Experiment 615: Who would win in a fight? A Triceratops, Diabloceratops, or Kosmoceratops? Dana, Grandma and Saara all get invested and choose a dino to root for. Dana discovers the differences between dino and human babies a when Mom's friend Ashley and her new baby Ben stop by for a visit.