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Season 3 of Bizaardvark was confirmed by stars Olivia Rodrigo and Madison Hu on April 30, 2018 for a Summer of 2018 release. The season wrapped production on September 21, 2018. It premiered on July 24, 2018.
- Olivia Rodrigo as Paige Olvera
- Madison Hu as Frankie Wong
- DeVore Ledridge as Amelia Duckworth
- Ethan Wacker as Bernie Schotz
- Maxwell Simkins as Zane
- Elie Samouhi as Rodney
- Caitlin Reagan as Willow Duckworth
- Johnathan McClain as Liam
- Ellen Ratner as Grandma Schotz
- Rachna Khatau as Principal Karen
- David Lengel as Reporter "Lou Scoopmaker"
- TBA as Roman Winwood
- Ross Kobelak as Horse Face Guy
- Main article: Episode Guide
These are episodes that have confirmed titles and dates.
- 07/24/18 - The Summer of Us (301)
- 07/26/18 - Two Me's in a Pod (302)
- 07/31/18 - House Moms (303)
- 08/02/18 - No Way Whoa! (304)
- 08/07/18 - Tree's Company (305)
- 08/09/18 - Summer Schooled (306)
- 10/05/18 - Halloweenvark Part 3: Mali-Boo! (315)
- 12/07/18 - Holiday Video Sketchtacular (319)
- 01/19/19 - Who is Horse Face Guy? (310)
- 01/26/19 - Where There's a Willow There's a Way (307)
These are episodes that have been confirmed, but the airdate is unknown.
- House Band (308)
- The Granola Girls (309)
- 311 (311)
- 312 (312)
- PK in Da House (313)
- Bizaardvark Changes Lives (314)
- A Capella Problems (316)
- The Stand-Up Standoff (317)
- BizRipOffs (318)
- Rozes are Red (320)
- The End of the Beginning (321)
- This season was never announced, but confirmed through a press release of the 2018 Disney Channel Go! Promotion.
- The Vuuuglers have a new place to congregate, the Vuuugle House in Malibu.
- Ethan Wacker's real life ankle injury was written into the storyline, beginning with No Way Whoa!.
- Two new cast members, Elie Samouhi as "Rodney" and Maxwell Brooke Simkins as "Zane," were introduced during Disney Channel's Go! Summer Fan Fest.
- This season has a new opening sequence, making Bizaardvark the sixth Disney Channel Original Series to alter the theme song for a third season after Hannah Montana, A.N.T. Farm, Girl Meets World, K.C. Undercover, and Bunk'd.
- Willow, Amelia's little sister, is introduced in the second episode Two Me's in a Pod.
- With the exception of No Way Whoa!, the cold opens have reverted back to being regular scenes, instead of videos like they were in the previous season.
- This is the final season of the series as confirmed by Disney Channel </nowiki>
- Bizaardvark is the 18th Disney Channel Original Series to have 3 seasons.
| To view the Season 3 gallery, click here.