Conversation so far:
What was JLS' first television appearance?
An hour-long documentary for ITV2, titled JLS Revealed, which first aired on 7 November 2009.
Did the JLS specials have good viewership?
What was the 2nd JLS television special titled?
The second show was an hour-long entertainment show for ITV titled This Is JLS.
Were there any comments about JLS' appearances in the television specials JLS Revealed and This Is JLS?
What happened as a result of many cinemas selling out during the premier of JLS: Eyes Wide Open 3D?
Additional screenings were made in cinemas for the following weekend from 10 June 2011, thus, more tickets were available to buy online or on the day of screening.
Did JLS promote any particular albums or singles on TV?
JLS performed all their hits, tracks from the Outta This World album at This Is JLS.
Did JLS have any guests on their television specials?
JLS performed a special duet with Kylie Minogue on her hit song All the Lovers at This Is JLS and Alesha Dixon appeared on A Very JLS Christmas.
Are there any interesting aspects about JLS' television appearances besides their ITV specials, JLS: Eyes Wide Open 3D, and guests they appeared with?
On 28 June 2013, JLS appeared on The Million Pound Drop, playing for charity.
Did JLS win on Million Pound?

Question: Did they do anything else related to charity?
Self-contained rewrite: Did JLS do anything else related to charity?