The Onyx Hotel Tour was commercially successful. According to "Billboard", the 25 shows in North America grossed nearly $19 million with 300,460 tickets and $34 million with 601,040 tickets sold in 52 of 53 shows worldwide. According to "Pollstar", Onyx Hotel Tour sold 641,428 tickets in 2004. On June 6, 2004, Spears performed for 25,367 fans at RDS Arena in Dublin with $1,359,648 gross. The four nights at Wembley Arena in London grossed $2,179,820 with 41,823 tickets sold. In March, Spears suffered a knee injury onstage which forced her to reschedule two shows. In June, Spears fell and hurt her knee again during a music video shoot. She underwent arthroscopic surgery and the remainder of the tour was canceled. In 2005, Spears sued her insurance companies for denying her a reimbursement for the cancellation. Showtime broadcast live the March 28, 2004 show at the American Airlines Arena, in a special titled "Britney Spears Live From Miami". Backstage footage was included in the reality show "".