- Mantas are shown to be able to survive the harsh environment of the digital sea. Also, Mantas use their mine ability for the first time in the fifth season.
- Ulrich, for the first time ever, injures himself while participating in athletic events such that he cannot participate in a mission.
- Bloks appear on the Cortex for the first time.
- Anthea is shown to be working under Tyron, however, it is unclear whether she is working for him by force or by choice.
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