How to find anomalies/outliers in Panel Data?

I have panel data based on 900000 different entities with 384 time steps and the data is not normally distributed. I am looking for outliers/anomalies, this is unsupervised as I have no examples of anomalies/outliers.

Apart from clustering methods such as K-means, DBSCAN/HDBSCAN, what options do I have?

Topic anomaly dbscan outlier time-series k-means

Category Data Science

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