Magnus is the eldest of Ulrich and Katharina's children. He's a pothead and skater and seems "too cool" for most things. He reveals he has a softer side as well, especially after his little brother Mikkel goes missing. Magnus has a close relationship with his younger sister Martha and starts seeing Franziska Doppler.
Season 2 : episode 2
In the summer of 2020, Magnus and Franziska are officially a couple. He's known for a while that she hides money in a small box beneath an abandoned railway. One day, Magnus sees someone else putting money in the box. It's Bernadette the prostitute.
Magnus comes to the wrong conclusions and is outraged with Franziska. He then learns that she is selling Bernadette prescriptions for hormones to complete her gender reassignment. Peter Doppler used to be one of Bernadette's customers and now she relies on his daughter. Franziska is sorely disappointed by Magnus' lack of trust, but she forgives him.
Season 2 : episode 5
Bartosz and the time machine
Magnus has hardly any contact with his mother Katharina. She is obsessively searching the Winden caves for traces of Ulrich and Mikkel. Magnus and Martha decide they're going to search the caves as well and Franziska and Elisabeth Doppler join them. The teens are surprised to find Bartosz Tiedemann there with a strange device. Magnus overpowers Bartosz and the others tie him up, but he won't reveal what he's up to.
They leave him in the caves overnight. The next day, when Bartosz says he has a time machine, they don't believe him. To prove it, Bartosz travels with them to 1987. Magnus takes the time machine and gives it to his mother.
Season 2 : episode 8
The last day of the cycle
On the day of the apocalypse, the Stranger finds Magnus, Bartosz, and Franziska in the Nielsen house. He has a time machine with him and they all travel together at the last minute.