Grup Jam is the twenty-second episode of the first season of Mighty Magiswords, and the twenty-second episode overall. It aired on February 17, 2017.
Grup invents the “new” sport of basketball, but the stakes are too high for the Warriors to let him play the Galacton team, as the winner shall rule the Kingdom of Rhyboflaven.
- Prohyas Warrior
- Vambre Warrior
- Grup the Dragon
- Princess Zange
- Reginald Lavishum
- Galacton Wariors
- The Tall Uninteresting One
- Murray Williams
- Basketball Magisword (debut)
- Walk the Plank Magisword
- Celery Magisword
- Wickersnapper Magisword
- Clapping Magisword
- Muscly Arm Magisword (Prohyas; 3)
- Grabby Giraffe Magisword (debut)
- Telescope Magisword
- This episode features the guest voices of Eddie Pepitone as DeBizz and Dave Coulier as Murray Williams.
- The Tall Uninteresting One's voice actor Phil LaMarr, reminiscing his character Wilt from Foster's Home for Imaginary Friend.
- The title and premise of the episode is based on the movie, Space Jam. DeBizz's role is similar to that of Swackhammer, The Galactonians' to that of the Monstars, Murray Williams' to that of Bill Murray and The Tall Uninteresting One's to that of Michael Jordan.
- A whistling leitmotif plays whenever the Tall Uninteresting One plays basketball. The song is a reference to the Harlem Globetrotters, a basketball team famous for their spectacle-based gamestyle and iconic whistling tune.