| No. overall | No. in season | Title | Directed by | Written by | Original release date | Prod. code | U . viewers (millions) |
| 48 | 1 | "Challenge of the Senior Junior Woodchucks!" | Matthew Humphreys | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes & Bob Snow Teleplay by : Angones & Bateman Storyboarded by : Stephanie Gonzaga, Krystal Ureta & Brandon Warren | April 4, 2020 (2020-04-04) | 304 | 0 |
| Huey and Violet partake in a competition for a promotion to Senior Woodchuck. However, as Violet proves herself the better scout, Huey gets desperate and resorts to foul play. In the end, though, Huey's conscience, appearing as a talking Woodchuck guidebook, gets through to him and he gracefully forfeits. Meanwhile, Scrooge finds a map to the treas |
| 49 | 2 | "Quack Pack!" | Tanner Johnson | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes & Bob Snow Teleplay by : Snow Storyboarded by : Vince Aparo, Kristen Gish & Victoria Harris | April 4, 2020 (2020-04-04) | 303 | 0 |
| While preparing to take a group photo, the family realizes something is wrong and soon find they are trapped in a '90s sitcom called Quack Pack. Through a flashback sequence, they learn that, while on an adventure to find a Missing Mystery called the Lost Lamp of Collie Baba, Donald blurted out loud that he wished for a normal life whilst unknowing |
| 50 | 3 | "Double-O-Duck in You Only Crash Twice!" | Jason Zurek | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes & Bob Snow Teleplay by : Magalhaes Storyboarded by : Sam King, Kat Marusik, Rachel Paek & Stephan Park | April 11, 2020 (2020-04-11) | 305 | 0 |
| While visiting Funso's, Scrooge becomes addicted to arcade games while Dewey and Launchpad play a VR spy game. Meanwhile, F . Director Bradford Buzzard orders agents Heron and Steelbeak to remove Scrooge before he discovers Funso's is their base. Much to Heron's chagrin though, Steelbeak captures Dewey and Launchpad, who still think they are i |
| 51 | 4 | "The Lost Harp of Mervana!" | Tanner Johnson | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes & Bob Snow Teleplay by : Evanson Storyboarded by : Vince Aparo, Kristen Gish & Victoria Harris | April 18, 2020 (2020-04-18) | 306 | 0 |
| The family heads to Mervana, an underwater society of mer-people, to find its Missing Mystery, the Lost Harp of Mervana. While the Mervanans teach Scrooge, Huey, Dewey, and Donald their ways, Louie, Webby, and Beakley follow a mysterious sound. They eventually find it belongs to the harp, a sentient artifact that tells or confirms the truth, and le |
| 52 | 5 | "Louie's Eleven!" | Matthew Humphreys | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Angones & Bateman Storyboarded by : Stephanie Gonzaga, Rachel Paek, Krystal Ureta & Brandon Warren | April 25, 2020 (2020-04-25) | 307 | 0 |
| The Three Caballeros struggle to find a sponsor when they are approached by Louie, who offers a scheme dubbed "Louie's Eleven": infiltrate the party of trendsetter Emma Glamour and have her put them on her blog. However, things go south when Donald gets trapped in an elevator with Glamour's assistant, Daisy Duck, and Glamour herself sees through th |
| 53 | 6 | "Astro B .!" | Jason Zurek | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Magalhaes Storyboarded by : Sam King, Kat Marusik, Rachel Paek & Stephan Park | May 2, 2020 (2020-05-02) | 308 | 0 |
| Huey befriends B . while on a camping trip, but the latter malfunctions. When Huey takes him to the lab, Gyro recognizes B . as his creation and insists that he is dangerous. Due to B .'s malfunctions however, he begrudgingly takes them to Tokyolk to fix him before he becomes a threat; with Fenton providing protection. After being ac |
| 54 | 7 | "The Rumble for Ragnarok!" | Tanner Johnson | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Snow Storyboarded by : Vince Aparo, Kristen Gish & Victoria Harris | May 9, 2020 (2020-05-09) | 309 | 0 |
| Scrooge takes the kids to Valhalla for a decennial wrestling tournament against Team Ragnarök, led by Jörmungandr, for the fate of the world. While Scrooge wins the first round against Strongbeard, he hurts his back, forcing Dewey to take his place. However, Dewey begins doubting himself and loses the second round when he fails to get the crowd on |
| 55 | 8 | "The Phantom and the Sorceress!" | Stephanie Gonzaga & Matthew Humphreys | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Evanson Storyboarded by : Adam Henry, Krystal Ureta & Brandon Warren | September 21, 2020 (2020-09-21) | 310 | 0 |
| Lena is struggling to control Magica's amulet, so Webby and Violet try to cheer her up with a sleepover. However, they are interrupted by an uncharacteristically unlucky Gladstone before being attacked by F . agent Phantom Blot, who stole Gladstone's luck and now seeks Magica's amulet. After narrowly driving him off, Webby and Violet convince |
| 56 | 9 | "They Put a Moonlander on the Earth!" | Sam King & Jason Zurek | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Sam King, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : King & Snow Storyboarded by : Sam King, Kat Marusik, Rachel Paek & Stephan Park | September 28, 2020 (2020-09-28) | 311 | 0 |
| Della urges Webby and Dewey to bring Penumbra with them to the pier after the kids learn of the grand opening of the Flintferris Glomwheel, Glomgold's latest gift to Duckburg. Penumbra is reluctant to join the children in their "Earth fun", but changes her mind after being criticized by her fellow Moonlanders for her stoic attitude. At the pier, We |
| 57 | 10 | "The Trickening!" | Matthew Humphreys | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes & Bob Snow Teleplay by : Magalhaes Storyboarded by : Stephanie Gonzaga, Vaugh Tada, Krystal Ureta & Brandon Warren | October 5, 2020 (2020-10-05) | 301 | 0 |
| At Louie's behest, the kids abandon Huey's Halloween trick-or-treating plans and venture into a haunted house that is said to contain years' worth of candy left there by terrified kids. However, they encounter the monsters Wereduck, Witch Hazel, Nosferatu, and Frankenstein, who scare kids to get candy. Seeing that they do not have any, the monsters |
| 58 | 11 | "The Forbidden Fountain of the Foreverglades!" | Tanner Johnson | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Bateman Storyboarded by : Vince Aparo, Kristen Gish & Victoria Harris | October 12, 2020 (2020-10-12) | 312 | 0 |
| Whilst searching for a Missing Mystery called the Fountain of the Foreverglades, which can give and take youth, Scrooge comes across Goldie, who also seeks it, and a race ensues, during which they become young again after being exposed to its waters. Upon reaching it however, they are confronted by Rockerduck, who extended his life with cryogenics, |
| 59 | 12 | "Let's Get Dangerous!" | Matthew Humphreys & Jason Zurek | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Angones & Evanson Storyboarded by : Matt Carbonella, Hayley Foster, Stephanie Gonzaga, Victoria Harris, Ben Holm, Diana Huh, Sam King, Kat Marusik, Rachel Paek, Stephan Park, Krystal Ureta, Brandon Warren & Jake Wyatt | October 19, 2020 (2020-10-19) | 313–314 | 0 |
| Scrooge travels to St. Canard with Huey and Louie to invest in Dr. Taurus Bulba's Ramrod, a device that can seemingly create anything from nothing. Elsewhere, Launchpad and Dewey reunite with Drake, who is struggling with his superhero career. While on patrol though, they catch a little girl, Gosalyn Waddlemeyer, sneaking into Bulba's laboratory, w |
| 60 | 13 | "Escape from the ImpossiBin!" | Tanner Johnson | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Siemon Storyboarded by : Vince Aparo, Kristen Gish, Victoria Harris & Ben Holm | October 26, 2020 (2020-10-26) | 315 | 0 |
| After learning that Bradford, who was his business partner, is the leader of F ., Scrooge installs a new security system into the Money Bin and challenges Louie and Della to beat it. However, Bradford and Gandra, who is revealed to be an F . agent, hack it and trap them inside, forcing them to escape for real. Ultimately, they make it thr |
| 61 | 14 | "The Split Sword of Swanstantine!" | Matthew Humphreys | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Magalhaes & Snow Storyboarded by : John Conway, Hayley Foster, Stephanie Gonzaga, Ben Holm, Krystal Ureta & Brandon Warren | November 2, 2020 (2020-11-02) | 316 | 0 |
| Scrooge and the kids, plus Lena and Violet, travel to Istanbird to find a Missing Mystery called the Split Sword of Swanstantine before F . does. However, Scrooge gets into a fight with Heron, leaving the kids to find the pieces. Dewey and Webby race Gandra to the hilt and, despite being temporarily blinded by a flash bomb, beat her by relying |
| 62 | 15 | "New Gods on the Block!" | Jason Zurek | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Megan Gonzalez, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Gonzalez Storyboarded by : Sam King, Kat Marusik & Stephan Park | November 9, 2020 (2020-11-09) | 317 | 0 |
| Following a failed adventure, Scrooge calls for additional help, causing the kids to think they are being replaced. Suddenly, the family is approached by Selene and Storkules, who reveal that Zeus was stripped of his godhood and that they are looking for a replacement. To cheer the kids up, Della convinces Selene to give them a shot, but it ends in |
| 63 | 16 | "The First Adventure!" | Vince Aparo & Tanner Johnson | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Megan Gonzalez, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Magalhaes Storyboarded by : Aaron Austin, Aparo, Kristen Gish & Victoria Harris | November 16, 2020 (2020-11-16) | 318 | 0 |
| In the 1960s, S . rejects Bradford's proposal of taking over the world to control and prevent chaos, prompting him to co-found F . with Heron. 30 years later, a semi-retired Scrooge is asked to take care of a young Della and Donald all while being tasked by S . with retrieving a Missing Mystery called the Papyrus of Binding, a ma |
| 64 | 17 | "The Fight for Castle McDuck!" | Matthew Humphreys | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Bateman Storyboarded by : Hayley Foster, Stephanie Gonzaga, Krystal Ureta & Brandon Warren | November 23, 2020 (2020-11-23) | 319 | 0 |
| While investigating the absence of the mists that once surrounded Castle McDuck, Scrooge is reunited with his sister, Matilda. However, they end up reigniting their sibling rivalry. Webby attempts to mend their familial relationship, but it becomes a family feud as Fergus and Downey get involved. Meanwhile, Huey and Louie search for the family trea |
| 65 | 18 | "How Santa Stole Christmas!" | Jason Zurek | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes & Bob Snow Teleplay by : Evanson Storyboarded by : Sam King, Kathryn Marusik & Stephan Park | November 30, 2020 (2020-11-30) | 302 | 0 |
| As the family is securing McDuck Manor against Santa Claus, with whom Scrooge is embroiled in a long-term feud, Santa approaches them with a broken leg and requests Scrooge's help in delivering presents, to which he agrees under the proviso that Santa never bothers him again. While helping them, Webby discovers the truth behind Scrooge's grudge: he |
| 66 | 19 | "Beaks in the Shell!" | Jason Zurek | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Siemon Storyboarded by : Emmy Cicierega, Sam King, Kathryn Marusik & Stephan Park | February 22, 2021 (2021-02-22) | 320 | 0 |
| Fenton and Gandra maintain their relationship in secret while working on a virtual landscape called the "GizmoCloud". Huey discovers this and is initially horrified to learn that Fenton is dating a F . agent. When Gandra explains that her true loyalties do not lie with F ., Huey agrees to keep their secret, and tries to protect it from bo |
| 67 | 20 | "The Lost Cargo of Kit Cloudkicker!" | Tanner Johnson | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Johnson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Evanson & Johnson Storyboarded by : Vince Aparo, Kristen Gish, Victoria Harris & Ben Holm | March 1, 2021 (2021-03-01) | 321 | 0 |
| Years ago, Kit Cloudkicker jettisons a mysterious object bound for F . H . from his aircraft during a clash with Karnage. In the present, Della teaches Dewey how to fly a plane before they and Huey meet with Kit to request his help in tracking down a Missing Mystery called the Stone of What Was. En route to the Stone, Dewey and Kit take a shi |
| 68 | 21 | "The Life and Crimes of Scrooge McDuck!" | Matthew Humphreys | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Snow Storyboarded by : Hayley Foster, Stephanie Gonzaga, Krystal Ureta & Brandon Waren | March 8, 2021 (2021-03-08) | 322 | 0 |
| As Louie dodges responsibility for his latest scheme-gone-wrong, he and Scrooge are summoned to a mystical karmic court by Doofus, who seeks vengeance against Louie by suing Scrooge for allegedly creating his enemies. Glomgold, Ma Beagle, and Magica each present their case: Glomgold was overshadowed by Scrooge during an adventure, Ma Beagle's fathe |
| 69 | 22 | "The Last Adventure!" | Matthew Humphreys, Tanner Johnson, Matt Youngberg & Jason Zurek | Story by : Francisco Angones, Madison Bateman, Colleen Evanson, Christian Magalhaes, Ben Siemon & Bob Snow Teleplay by : Angones, Bateman, Magalhaes, Siemon & Snow Storyboarded by : Vince Aparo, Matthew Carbonella, Johnny Castuciano, Hayley Foster, Kristen Gish, Stephanie Gonzaga, Catherine Harman, Victoria Harris, Ben Holm, Sam King, Kathryn Marus | March 15, 2021 (2021-03-15) | 323–325 | 0 |
| While celebrating Webby's birthday, the family raids F .'s base at Funso's, only to find it deserted except for two clones of Webby, May and June. Taking them in, Webby becomes suspicious of her origins while Huey discovers the clones are F . agents sent to steal Finch's remaining Missing Mysteries. He and Webby follow them to the Lost Li |