When this occasionally occurs (as of today,
https://zdf-cdn.live.cellular.de/mediathekV2/document/die-kuechenschlacht-106)
such entries appear to be duplicates of others. At the time of writing,
cluster[1].teaser[2] is a duplicate of cluster[1].teaser[1] and
cluster[1].teaser[3] is a duplicate of cluster[1].teaser[4].
When this occasionally occurs (as of today, https://zdf-cdn.live.cellular.de/mediathekV2/document/die-kuechenschlacht-106) such entries appear to be duplicates of others. At the time of writing, cluster[1].teaser[2] is a duplicate of cluster[1].teaser[1] and cluster[1].teaser[3] is a duplicate of cluster[1].teaser[4].