- Ramon Reed as Owen Blatt
- Kaylin Hayman as Blair Bennett
- Suzi Barrett as Rachel Bennett
- Tobie Windham as Byron Blatt
- Cazzey Louis Cereghino as Alex the Arm Wrestler
- Isabella Fowler as Emily
- William Renick Ludwig as Steven
- Roman Dean George as Matthew
- Luca Pennazzato as Ungar
- This is the second episode where Owen and Blair start one of their wars. They used the same but slightly different dialogue for the conversation in The Birthday War.
- The episode title might be a reference to the movie Ice Age: Dawn of the Dinosaurs.
- Owen had drama club but it got cancelled for the whole year.
- The vote winners were Fighting Heavy Bag, Snails, and Eyeball Swap Obstacle Course.
- The Karate War is a reference to the Birthday War.
- Owen's middle name was revealed to be Bellamy.
- Blair was revealed to be 61 pounds.
- Byron can be seen playing Xbox One.
- Owen pays homage to the Karate Kid movies when he calls himself the “Karate Kid” and asks if anyone has used that yet.
- Starting this episode, the choices now end in exclamations.
- Owen might've quit karate after pretending to fight with Blair.
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