Australian David Warner; Steve Smith celebrates with Adam Zampa.
A throw to the stumps deflected off the bat of a diving Ben Stokes as he tried to complete a second run and raced to the boundary, with Sri Lankan umpire Kumar Dharmasena awarding six.
Sarfaraz Ahmed's side needed to smash the world record for margin of victory in a one-day international but, after winning the toss at Lord's, they failed to muster enough runs to give them a chance.
Bangladesh must be all out for seven or lower if Pakistan are to deny New Zealand a place in the semi-finals alongside Australia, India and England.
The broadcaster said their decision would "ensure as wide an audience as possible is able to watch the game."
England have qualified for the semi-finals and will meet either India or Australia on Thursday July 11. The final is at Lord's on July 14.
After rain delayed Friday's scheduled start by 90 minutes, Pakistan were left with 60 minutes to bat in a morning session extended by half an hour until 1:30pm local.
The International Cricket Council had earlier announced that India will remain the hosts of the 2021 tournament while the postponed 2020 tournament which was to be held in Australia will now take place in 2023. Identifying backup venues is standard practice for any tournament.
Lionel Messi might never have been faced with a more daunting task at Barcelona than engineering a victory against Bayern Munich in Lisbon on Friday.