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Kasangga Mo ang Langit (English: You're Up Against the Sky) is a Philippine television documentary show broadcast by RPN, IBC, PTV and RJTV. Originally hosted by Rey Langit, Reyster Langit, it aired on RPN from July 10, 1998 to March 10, 2007. The show moved to IBC from January 5, 2008 to September 13, 2013, PTV from September 22, 2013 to August 30, 2019 and RJTV from September 7, 2019 to October 22, 2022. Langit and JR Langit serve as the final hosts. Also with radio program is hosted by Rey Langit and his sons Reyster Langit and JR Langit also via Radyo Agila which airs every Monday to Friday at 12:30 pm to 2 pm.

The show has been hosted by Rey Langit after his failed senatorial bid in the 1998 Presidential Elections through the Partido ng Demokratikong Reporma–Lapiang Manggagawa (Reporma–LM). His first co-host was the late Reyster Langit,^[1] who died of heart failure due to cerebral malaria, a disease he contracted in Palawan while he was on assignment. He was replaced by his brother, Reynante "JR" Langit, Jr.

Kasangga Mo ang Langit was first aired on RPN from July 10, 1998, to March 10, 2007. Rey Langit, who had an unsuccessful senatorial bid in the 1998 Presidential Elections through the Partido ng Demokratikong Reporma–Lapiang Manggagawa (Reporma–LM), was joined by his late son Reyster Langit (who served as main host alongside his father from 1998 until his death in 2005).^[2]

On June 2, 2005, Reyster died of heart failure due to cerebral malaria, He was 32 years old, a disease he contracted while on assignment in Palawan.^[3] Reyster wrote a letter to his family

“I have seen the value of helping others. I believe that the most rewarding part of my job as a broadcaster is not exposing the wrongdoings of others, but the smile and acknowledgment we get people whose lives we have touched and changed in some wonderful way.”

He was interred at Manila Memorial Park in Parañaque.

Following his death, Rey's surviving son, JR, has since joined him not only for Kasangga Mo ang Langit but also for Biyaheng Langit.

The show moved to IBC from January 5, 2008, to September 13, 2013, and later moved to PTV from September 22, 2013, to August 31, 2019, and later moved to RJTV from September 7, 2019, to October 22, 2022.

On February 12, 2022, Rey Langit bid farewell to the show to run for senator and his friend former Ulat Bayan anchor Erwin Tulfo to run for Partylist following that, JR Langit remained as a sole host and continued his role until 2022. By that time, it was reformatted as a magazine show.

Main hosts

• Rey Langit (1998–2010, 2010–2016, 2016–2022, 2022–present)
• JR Langit (2005–present)
• Alex Santos (substitute host for Langit; 2022–present)

Former Hosts

• Reyster Langit† (1998–2005)

• List of programs previously broadcast by Radio Philippines Network
• List of programs broadcast by People's Television Network
• List of programs broadcast by RJTV

• Kasangga Mo ang Langit on Facebook