The previous seasons of 'Cuckoo' aired after a gap of approximately 2 years — barring the 5th season with premiered after just a year. Considering the popularity of the show, which is not expected to go down anytime soon, we expect that a season 6 shall release sometime in April 2020.

Does Cuckoo ever come back?

In February 2014, it was announced that Samberg would not return for the second series, with Taylor Lautner replacing him as Cuckoo's long-lost lovechild Dale. ... Series 4 wrapped up production on 18 March 2018, confirmed by Lautner via social media. It was released on 2 August 2018.

Why did Cuckoo leave the show?

Series 2 introduced two major cast changes: Tamla Kari (Rachel) was replaced by Esther Smith, and Cuckoo was written out because of Andy Samberg's other work commitments and replaced by his long lost son Dale (Taylor Lautner).