On pliocenic Earth, the heroic Maximals and the evil Predacons battle for survival against each other and against a violent planet.
S01:E01 - Beast Wars (Pt. 1)
A band of benevolent Maximals track a pack of power-seeking Predacons to a mysterious planet. When they both crash-land, they establish themselves upon the planet and clash, commencing the Beast Wars.
S01:E03 - The Web
When Cheetor messes up an important mission, he decides to fix it on his own. But when he is lured into Tarantulas's net of deceit and torture, Rattrap is the only one who can save him.
S01:E04 - Equal Measures
The Maximals try to place a Predacon detection system during an Energon storm and Cheetor somehow ends up in the Darksyde, while Terrorsaur ends up in the Axalon. Using Terrorsaur to discover how the transportation occurred, Dinobot goes to Optimus with a plan to beam a bomb to the Predacon base. Meanwhile Cheetor discovers an Energon vein running between both bases.
S01:E06 - Power Surge
Terrorsaur discovers a floating mountain, rich with the mineral Energon. With a surge in his power, he scraps Megatron and takes control over the Predacons. Now the Maximals must destroy the mountain to stop his power-mad reign.
S01:E08 - Double Jeopardy
After being led into a trap and losing a stasis pod to the Predacons, Dinobot accuses Rattrap of working with the Predacons as the Maximal that led them there. To everyone's shock, Optimus agrees with this suspicion and sends Rattrap on a mission near Predacon base to test his loyalty. When Rattrap is beaten by Terrorsaur in battle, he surprises all by not only begging for mercy but swearing allegiance to the Predacons. Is Rattrap really a traitor?
S01:E09 - A Better Mousetrap
A prank from Rattrap causes the Maximal ship to turn on its residents with its new defenses. Determined to fix his fault, Rattrap journeys into the malfunctioning ship to reboot the system.
S01:E10 - Gorilla Warfare
Scorponok plants a personality-modifying virus on Optimus Primal which will render him a cowardly, submissive weakling. But the virus malfunctions, and Primal gets very angry.
S01:E11 - The Probe
The Maximals are elated to find that a Cybertron probe looking for their stranded ship has arrived. However, the Predacons don't wish for them to be found. Tarantulas introduces a locking lens, which can trap the Maximals in beast mode. This makes the Maximals unable to finish their beacon to contact the probe. Are the Maximals stranded for good?p to turn on its residents with its new defenses. Determined to fix his fault, Rattrap journeys into the malfunctioning ship to reboot the system.
S01:E12 - Victory
An explosion at the Predacon base leaves no survivors, and the Maximals assume they have scored a final victory in the Beast Wars. However, Dinobot makes an investigation that changes everything.
S01:E14 - Double Dinobot
Megatron introduces an evil clone of Dinobot, different than the original in that it can only stay in beast mode. With the real Dinobot incapacitated, the clone begins to run amok among the Maximals. When it comes down to Dinobot against Dinobot, which one will win?
S01:E16 - The Trigger (Pt. 1)
In the aftermath of a Predacon attack, Tigatron comes upon a strange floating island, and settles down on it to lead a peaceful, content life. However, Blackarachnia and Scorponok are not far away.
S01:E18 - Spider's Game
Tarantulas and Blackarachnia team up to obtain the newest stasis pod. The pod births Inferno, a deranged Predacon who believes himself to be an ant rather than a robot. While Blackarachnia works with Inferno, Tarantulas takes the true prize he wanted: the stasis pod. Maximal Tigatron manages to destroy the pod Tarantulas has taken, but finds himself trapped in Predacon grounds against the spiders and Inferno.
S01:E19 - Call Of The Wild
A Predacon attack on the Maximal base leaves it malfunctioning, necessitating the Maximals to remain in beast mode until it is repaired. However, the longer they stay in beast mode, the more their animal side starts to take control.
S01:E20 - Dark Voyage
A Predacon attack blinds a Maximal squad and now Rhinox, Rattrap, Cheetor and Dinobot must embark on a voyage through darkness, relying on each other, to make it back to home base.