Season 1 of "Baby Shark's Big Show!" premiered on December 11, 2020 on Nickelodeon/Nick Jr. Channel and Treehouse TV. It premiered on EBS on December 25, 2020. In 2023, the season was added to Paramount+.
Episodes
- All I Want for Fishmas
- Fish Friends Forever / Jelly Pox
- Baby Tooth / Slobber Slug
- Super Shark / William Vs. Wild
- Legendary Loot / Yup Day
- When You Wish Upon a Fish / Shark-Off
- The Show Must Flow On / Detective Baby Shark
- Baby Mayor / Sink or Swim
- Captain Kelp / Teensy the Tardigrade
- Shadowland / Medieval Tides
- Beach Ball Day / Wavey Jones' Locker
- Daddyshack / Rocky-Bye
- Rainy Day Roundup / Deep Goo Sea
- Coach Grandma / Busy Baby
- Snowball Bonanza / The Present
- Shark Strength / Good Trouble
- Best Fin-Ship Day / The Great Skate Case
- William Manta: News Fish / Sleeping Like a Baby Shark
- The Seaweed Sway / Flow Bros
- A Shark Day's Night / Bad Hank
- Shark Prank / Lagoon Lemonade
- The Lost Jelly / The Coral Dilemma
- Operation Happy Mommies / Buds at First Bite
- A Mail Whale Tale / Swimming With the Sharks
- A Tail of Two Fathers / Welcome Wagon
- The Masked Fishy / The Best Friends Game