Max can hardly believe his luck: In a retirement home, he has finally found a gang that will let him join! Admittedly, it's the oldest and most wrinkly gang in the world - but that doesn't matter. He's found the best friends a 10-year-old could wish for in the elderly Vera, Horst and Kilian. Especially when, like Max, you're bullied in your new class and need help. But the gang's attempt to improve his school situation backfires. Horst, a former Bundesliga soccer coach, challenges Max's over-ambitious gym teacher Stöhle to a soccer duel: the school team including Laura and Ole against a selection of old geezers plus Max! And then the castle is haunted and a new case begins...
| Production | Manolya Mutlu | Casting Director |
| Production | Franziska Schlattner | Casting Director |
| Production | Ingrid Stropp | Extras Casting |
| Writing | Winfried Oelsner | Writer |
| Directing | Winfried Oelsner | Director |
| Writing | Lisa-Marie Dickreiter | Novel |
| Production | Seralp Kaethner | Production Accountant |
| Production | Denise Papen | Production Accountant |
| Camera | Andy Löv | Director of Photography |
| Camera | Armin Karahasanovic | Additional Camera |
| Camera | Nicole Smith | First Assistant Camera |
| Camera | Christian Dressler | Digital Imaging Technician |
| Camera | Daniel Dornhöfer | Still Photographer |
| Camera | Julius von Schnurbein | Key Grip |
| Camera | Daniel Schmid | Assistant Grip |
| Costume & Make-Up | Tina Sorge | Costume Designer |
| Costume & Make-Up | Karolina Pollmann | Assistant Costume Designer |
| Costume & Make-Up | Luise Schmerbach | Dresser |
| Costume & Make-Up | Stephie Anna Wiehler | Dresser |
| Costume & Make-Up | Teresa Kimstedt | Dresser |
| Costume & Make-Up | Katarina Neher | Costume Assistant |
| Lighting | Christoph Schobert | Gaffer |
| Lighting | J. Paul Fahle | Best Boy Lighting Technician |
| Lighting | Gabriel York Dubisch | Lighting Technician |
| Lighting | Lukas Köster | Lighting Technician |
| Lighting | Sofia Liebetruth | Lighting Technician |
| Costume & Make-Up | Elisabeth Dietrich | Makeup Artist |
| Costume & Make-Up | Milena Niehues | Makeup Artist |
| Costume & Make-Up | Anna Vinogradova | Assistant Makeup Artist |
| Sound | Andreas Radzuweit | Original Music Composer |
| Production | Andrea Simml | Producer |
| Production | Tonio Kellner | Producer |
| Production | Jakob Zapf | Producer |
| Art | Doris Dreyer | Production Design |
| Art | Andrea Basse | Assistant Production Design |
| Art | Mike Schäfer | Art Direction |
| Art | Annett Lausberg | Set Decoration |
| Art | Pegah Clasen | Standby Property Master |
| Art | Martha Funke | Property Master |
| Art | Fenia Garbe | Assistant Property Master |
| Art | Saskia van de Calseijde | Graphic Designer |
| Art | Hanna Reisert | Art Direction Intern |
| Production | Caroline Isabelle Dyrek | Production Manager |
| Production | Svenja Lange | Production Coordinator |
| Production | Antonia Best | Production Coordinator |
| Production | Roland Richter | Unit Manager |
| Production | Daniela Schwedes | Unit Manager |
| Production | Martin Bäcker | Unit Manager |
| Production | Christina Bezdek | Assistant Unit Manager |
| Production | Carl Seitz | Assistant Unit Manager |
| Production | Tobias Hofmann | Production Driver |
| Production | Duc-Anh Dinh | Production Driver |
| Crew | Sarah Kurrle | Set Runner |
| Directing | Alice Weibhauser | First Assistant Director (Prep) |
| Directing | Tobias Joosten | First Assistant Director |
| Production | Nicole Schreider | Extras Casting |
| Directing | Nicole Schreider | Second Assistant Director |
| Directing | Clara Cohen | Second Assistant Director |
| Directing | Sophie Werthen | Continuity |
| Editing | Sanjeev Hathiramani | Editor |
| Editing | Alissa Joy Conway | Assistant Editor |
| Crew | Micha Mann | Stunt Coordinator |
| Crew | Jürgen Klein | Stunt Double |
| Sound | Jan Geiling | Sound |
| Sound | Dirk Krecker | Sound |
| Sound | Till Ortner-Zintel | Sound Assistant |
| Art | Helen Dreesen | Greensman |
| Crew | Barbara Obersojer | Animal Coordinator |
