This episode has been filmed in 2020

[sitifan]

The wealth and national security of Singapore come at the cost of its people’s stress. Here, people experience stress starting from school. Children here start taking extracurricular subjects from as young as 2 years old. After graduation, the stress intensifies upon entering the workforce. While stress is associated with a higher suicide rate, it also presents opportunities for starting new businesses such as “Rage Room” The target customers are Singaporeans looking to alleviate their stress and pressure. Even though they might recognize that the relief is temporary, and they will eventually return to their stressful lives again. This episode has been filmed in 2020. (my bold)
The present perfect tense in the last sentence is grammatically incorrect, isn't it?
https://forum.wordreference.com/threads/present-perfect-expressions-of-finished-time.2324354/
https://www.usingenglish.com/forum/...-killed-in-a-road-accident-last-night.300250/

 

[tedmc]

Yes, the mistake is common in news reporting in Singapore and Malaysia.

 

[Tarheel]

I think it's a mistake, but they clearly do not. I would use "was filmed" there, and I don't have the foggiest idea why they use "has been filmed".