Season 4

01 Chicken In Chichen Itza Part 1: Pyramid Scheme Episode 119th January 2020 When the Tennysons visit Chichen Itza, Dr. Amino fuses a chicken and a snake to create a real-life Quetza. 02 Chicken In Chichen Itza, Part 2: The Wages of Fear Episode 219th January 2020 03 Ben in Rome, Part 1: A Slice of Life Episode 326th January 2020 04 Ben in Rome, Part 2: The Bee's Knees Episode 426th January 2020 05 Gentle Ben Episode 513th December 2019 06 Funhouse Episode 62nd February 2020 07 Summer Breakers Episode 79th February 2020 08 The Monsters in Your Head Episode 89th February 2020 09 Queen of Bees Episode 923rd February 2020 Ben, Gwen and Grandpa Max arrive in Bismarck, North Dakota, for its annual celebration of bee pollination, bringing them face-to-face with Queen Bee and a bold new scheme, forcing Ben to conquer his new fear of bees. 10 Falls, Falls, Falls Episode 1023rd February 2020 11 The Greatest Lake Episode 111st March 2020 A relaxing day at the beach gets all washed up when Team Tennyson come face-to-face with Hex, and his summer intern, Kevin! 12 Mud on the Run Episode 121st March 2020 Ben gets a tough lesson on knowing his limits when he competes in a grueling obstacle race, made even worse by the Weatherheads. 13 It's Story Time Episode 1315th March 2020 After the Rustbucket breaks down, Ben, Gwen, and Grandpa Max find themselves killing time at the local town library but soon scramble to outmaneuver Hex as he searches for a hidden ancient artifact. 14 Cosplay Day Episode 1415th March 2020 Team Tennyson enjoys the biggest convention in town, but when a gawky costume store employee finds a familiar-looking helmet in the back of the store and tries it on, Ben is faced with the return of an old foe in a new form: Forever Knight. 15 Bottomless Ben Episode 1518th March 2020 The Tennyson's come across the "Bottomless Pit", a naturally formed pit with no bottom. Ben fights his better judgment to jump in, until Kevin 11 shows up and starts to goad him into a contest to the bottom. 16 Tales from the Omnitrix Episode 1619th March 2020 Team Tennyson trade campfire stories that pit Ben against his archrival, Kevin 11, and teaches the hero the power of imagination. 17 Party Poopers Episode 1723rd March 2020 18 Wind Some Lose Some Episode 1824th March 2020 19 Digital Quality Episode 194th April 2020 20 Tim Buk-TV Episode 204th April 2020 21 Tokyo Fun Part 1: Big Bugg Bash Episode 2119th January 2020 22 Tokyo Fun Part 2: Slamming It Up Episode 2219th January 2020 Reboot of the classic Ben 10 series featuring a reimagined Ben and friends as they travel the country during the summer holidays. 23 Growing up is Hard to Do Episode 235th April 2020 24 The Hex Factor Episode 246th April 2020 25 Sweet Tooth Episode 255th July 2020 26 Medieval Upheaval Episode 266th July 2020 27 Speed of Sound Episode 277th July 2020 28 Xingo's World Episode 288th July 2020 29 Tummy Ache Episode 299th July 2020 30 Players of the Lost Park Episode 3010th July 2020 31 De-Fanged! Episode 3111th July 2020 32 Mock 10 Episode 3212th July 2020 33 Rekoil Episode 3313th July 2020 34 Buktu The Future! Episode 3414th July 2020