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.

Question: Were there any comments about their appearances?
Self-contained rewrite: Were there any comments about JLS' appearances in the television specials JLS Revealed and This Is JLS?