In the four-part show, archival footage and personal videos and photos are intertwined with present-day interviews and scenes of the group embarking on their 2022 tour
"Guardians," which also became the highest-grossing movie of the summer season, sold $17.6 million worth of tickets at US and Canadian theatres for the three days starting on Friday.
"Turtles" took in $16.8 million in its third weekend to claim second place.
"If I Stay," a new release about a 17-year-old in a coma and clinging to life, was third with $16.4 million.
Time Warner Inc's Warner Brothers distributed "If I Stay."
"Teenage Mutant Ninja Turtles" was distributed by Viacom Inc's Paramount Pictures.
Walt Disney Co distributed "Guardians of the Galaxy."