This collective article presents a theoretical kaleidoscope, examining and critiquing citizen science and humanities in postdigital contexts. It brings together 19 short theoretical and experiential contributions, organized into six groups exploring areas such as Indigenous and local knowledge, technology, and children and young people as citizen researchers. The article emphasizes the importance of collaboration, dialogue, and co-creation in both postdigital and citizen research, challenging traditional academic research methods. It suggests that postdigital transformations are changing citizen science and humanities, making them more important. The kaleidoscope metaphor reflects the need for multiple perspectives to understand the complexity of postdigital citizen science and humanities. The article also discusses the role of technology, artificial intelligence, activism, and data in these fields, highlighting the importance of addressing issues related to data usage and collection. Additionally, it explores the implications of postdigital transformations for social-technical challenges and the need for interdisciplinary approaches. The article concludes by emphasizing the importance of recognizing and valuing diverse forms of knowledge, including local and Indigenous knowledge, and the potential for citizen science to promote social justice and democratic participation.This collective article presents a theoretical kaleidoscope, examining and critiquing citizen science and humanities in postdigital contexts. It brings together 19 short theoretical and experiential contributions, organized into six groups exploring areas such as Indigenous and local knowledge, technology, and children and young people as citizen researchers. The article emphasizes the importance of collaboration, dialogue, and co-creation in both postdigital and citizen research, challenging traditional academic research methods. It suggests that postdigital transformations are changing citizen science and humanities, making them more important. The kaleidoscope metaphor reflects the need for multiple perspectives to understand the complexity of postdigital citizen science and humanities. The article also discusses the role of technology, artificial intelligence, activism, and data in these fields, highlighting the importance of addressing issues related to data usage and collection. Additionally, it explores the implications of postdigital transformations for social-technical challenges and the need for interdisciplinary approaches. The article concludes by emphasizing the importance of recognizing and valuing diverse forms of knowledge, including local and Indigenous knowledge, and the potential for citizen science to promote social justice and democratic participation.