Die Landarztpraxis: Team Sonnenhof Adding of episodes not possible

The TV series Die Landarztpraxis: Team Sonnenhof has not possibilty to add episodes.

I assumes that it was wrongly created as a movie.

Is that possible? Can you make it possible to add episodes?

The URL is:

https://www.imdb.com/de/title/tt37544955/?ref_=nv_sr_srsg_0_tt_6_nm_2_in_0_q_sonnenhof