The release date for "When Will the Flowers Fall" and "The Return Date Be Unknown" remains unknown. Both titles are anticipated to be released in the near future, but specific dates have not been announced. This uncertainty is common in the entertainment industry, where production schedules can be subject to change due to various factors such as casting, filming, and post-production delays.

The reason for the lack of a confirmed release date is multifaceted. Firstly, the production process for films and television series can be lengthy, involving multiple stages from script development to final editing. Secondly, the COVID-19 pandemic has significantly impacted the entertainment industry, leading to delays in filming and post-production. Additionally, the decision to release a project can be influenced by marketing strategies, box office expectations, and the availability of distribution channels.

Data from the Motion Picture Association of America (MPAA) indicates that the pandemic has caused a 20% decrease in box office revenue in 2020 compared to 2019. This economic impact has led to cautious release strategies, with studios opting for staggered releases or digital premieres to mitigate risks. Furthermore, the Hollywood Reporter has reported that the pandemic has caused a 40% increase in production delays, further contributing to the uncertainty surrounding release dates.

In conclusion, the lack of a confirmed release date for "When Will the Flowers Fall" and "The Return Date Be Unknown" is a result of the complex and unpredictable nature of the entertainment industry, compounded by the challenges posed by the COVID-19 pandemic.