|Ben 10's Successor|
|Season 1, Episode 1|
|Air date||August 28, 2019|
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Ben 10's Successor is the first episode of Ben 10: Suzan Adventures.
Two months later since Maltruant's defeats, Ben narrates the story about his past adventures. Ben tells the new adventures that the new greater threat is invading the Earth. The evil Osiriuan emperor named Mordagen lands on the Earth which Ben, Rook, Gwen, and Kevin tries to fight and arrest Mordagen, but they failed to defeat him.
- Suzan Kimberly make her debut appearance.
- Mordagen make his debut appearance.
- Ben and the others fights Mordagen when he invades the Earth, but failed that he is stronger than Vilgax.
- Mordagen is mortally injured by the strange meteorite and his ship crashes on Earth. His dismembered body was beyond healed, reluctantly forcing him to accurately reconstruct him to his mechanical form.
- Mordagen's soldiers find the purified Vilgax and revive him with their reversing purification.
- Vilgax met and joined forces with Mordagen, creating their alliance called The Forces of Dark.
- Suzan finds the strange meteorite and revealed to be the Omnitrix U and wears it.
- Dràlcano, Jrix, and Krystawitch make their debut appearances.
- Suzan joins Ben Team since Mordagen and Vilgax teamed up.
- Azmuth is surprised that Ben needs his successor to fight the new threat.
- Suzan Kimberly (first appearance)
- Ben Tennyson (first reappearance)
- Rook Blonko (first reappearance)
- Uncle Bill (first appearance)
- Gwen Tennyson (first reappearance, non-speaking)
- Kevin Levin (first reappearance, non-speaking)
- Max Tennyson (first reappearance)
- Azmuth (first reappearance)
- Mordagen (first appearance)
- Mordagen's soldiers (first appearance)
- Gilbura (first appearance)
- Vilgax (first reappearance)
- Maltruant (first reappearance, flashback)
- Zs'Skayr (first reappearance, flashback)
- Suzan's Aliens
- Ben's Aliens
- Swampfire (first reappearance)
- Shocksquatch (first reappearance)
- Bloxx (first reappearance)
- When the series was created for Ben 10: Omniverse, this episode will take place after the event of A New Dawn.