Who's the Keyman
| Created By | He Chen |
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| Status | Ended |
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| Original Name | 我是大侦探 |
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| First Air Date | March 24, 2018 |
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| Last Air Date | June 16, 2018 |
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| Seasons | 2 |
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| Episodes | 25 |
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| Episode Runtime | 0min |
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| Language | Mandarin |
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| Original Language | Chinese |
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| Production Countries | China |
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| Production Companies | 湖南卫视 |
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| Networks | Hunan TelevisionMango TV |
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