Spinoffs
This spinoff of Naruto which features his son
What is Boruto?
He is a mentor as well as the main character of this show about S class heroes
Who is Saitama?
This Dragon Ball movie brought back Frieza into the DB franchise
What is Dragon Ball: Resurrection F?
This arc in My Hero Academia where Bakugou gets a new, more professional look, to the scenes of Tsuyu helping out save people from a sinking ship.
What is the HERO AGENCY INTERNSHIP ARC?
This C Class hero who rides a bike
Who is Mumen Rider? (One Punch Man)
This DBZ spinoff takes place 13 years after androids began attacking humanity, the only fighter left is Gohan. Giving his life to save Trunks, and possibly the world, Trunks has to do what he can.
What is Dragon Ball Z: The History of Trunks?
This former number one hero and mentor to Deku
Who is All Might?
This first movie in My Hero Academia franchise
What is My Hero Academia: Two Heroes?
This arc shows Goku partaking in a tournament during his time dead after his sacrifice to save the planet from Cell.
What is the OTHER WORLD TOURNAMENT SAGA? (DBZ)
The first teacher/sensei to recognize Naruto
Who is Umino Iruka?
Who is Iruka Sensei?
This spinoff of Magi featuring Sinbad
What is Magi: Adventure Of Sinbad?
This teacher in Assassination Classroom
Who is Koro-Sensei?
Demon Slayer movie
What is Demon Slayer: Mugen Train?
The best filler arc in Bleach -- as it focuses on the Zanpakutō
What is the Zanpakutō Rebellion?
He was the leader of the team which features Rock Lee, Tenten and Neji
Who is Guy Sensei?
Who is Might Guy? (Naruto)
This Attack on Titan Spin off between S2 and S3 of the anime
What is Attack on Titan: Junior High?
His former right-hand man of the pirate king, who taught Luffy Haki
Who is Rayleigh?
Who is Silvers Rayleigh?
FMA original movie
What is Fullmetal Alchemist: The Sacred Star of Milos?
This filler episode in Pokemon during its original run that focused on Meowth and talking
What is Go West Young Meowth!
This woman from Gundam wing, who begins the series as a spoiled rich girl, but ultimately becomes involved in warfare due to her heritage as the daughter of royalty. She's a staunch pacifist
Who is Relena Peacecraft? (Gundam Wing)
This Naruto spin off about Rock Lee
What is Rock Lee & His Ninja Pals?
Yuji Itadori's Sensei in Jujustu Kaisen
Who is Satoru Gojou?
Who is Gojou Sensei?
This movie about Goku's father
What is Dragon Ball Z: Bardock – The Father of Goku?
This filler from the original FMA where the arc pays homage to Lupin III, and (surprisingly) Inspector Gadget
What is The Phantom Thief?
The "straight" man of the Gintama trio who is also an Otaku and known for his glasses
Who is Shinpachi Shimura? (Gintama)