Sonic Underground

New and upcoming (2026 and later)

Out this year, or not out yet.

Nothing from this stretch is close enough to be worth putting in front of you.

The last five years (2021 to 2025)

Current, and all of it watchable now.

Eden

2021 · 1 season · Netflix

NetflixNetflix Standard with Ads

Marvel's Moon Girl and Devil DinosaurMarvel's Moon Girl and Devil DinosaurTransformers: War for Cybertron: KingdomTransformers: War for Cybertron: KingdomSonic PrimeSonic PrimeStar Wars: Young Jedi AdventuresStar Wars: Young Jedi AdventuresLEGO Ninjago: Dragons RisingLEGO Ninjago: Dragons RisingWondLaWondLaMobile Suit Gundam GQuuuuuuXMobile Suit Gundam GQuuuuuuX

Five to fifteen years back (2011 to 2020)

Recent enough that everyone can still find it, old enough to be finished.

Transformers: Robots In Disguise

2015–2017 · 4 seasons · Cartoon Network

Amazon Prime VideoThe Roku ChannelPlex

Ben 10Ben 10Sonic BoomSonic BoomTransformers: Rescue BotsTransformers: Rescue BotsBig Hero 6 The SeriesBig Hero 6 The SeriesVoltron: Legendary DefenderVoltron: Legendary DefenderTransformers: War for Cybertron: SiegeTransformers: War for Cybertron: SiegeMECH-X4MECH-X4

Older than fifteen years (before 2011)

The back catalogue, where the closest match often is.

Sonic the Hedgehog

1993–1994 · 2 seasons · ABC

robot as menaceanimal protagonisthedgehog

Amazon Prime VideoParamount Plus PremiumParamount Plus Essential

RobotboyRobotboyVoltron: Defender of the UniverseVoltron: Defender of the UniversePower RangersPower RangersThe TransformersThe TransformersMy Life as a Teenage RobotMy Life as a Teenage RobotSuper Robot Monkey Team Hyperforce Go!Super Robot Monkey Team Hyperforce Go!DoraemonDoraemon