Conversation so far:
What happened in Ryan Dunn's career?
Ryan Dunn took part in the characteristic stunts that made Jackass famous, and featured in three released films, Jackass: The Movie, Jackass Number Two and Jackass 3D.
Was Ryan Dunn's Jackass: The Movie film a success?
Ryan Dunn's Jackass: The Movie grossed over $79 million worldwide and received very mixed reviews from critics.
Did Ryan Dunn go on a tour?
Ryan Dunn went on a tour with Don Vito called The Dunn and Vito Rock Tour for which the DVD was released on March 20, 2007.
When did Ryan Dunn go on a tour?
Why did Ryan Dunn go on a tour?
When was Ryan Dunn's The Jackass 3D released?
Paramount Pictures released Ryan Dunn's Jackass 3D on October 15, 2010.
Did Ryan Dunn make any television series?
Ryan Dunn co-hosted G4's Proving Ground along with Jessica Chobot.
When did Ryan Dunn's show, G4's Proving Ground start?
Ryan Dunn's G4's Proving Ground premiered on June 14, 2011, six days before his death.
Did Ryan Dunn's death affect G4's Proving Ground?
The channel decided to postpone the airing of further episodes.
When did Ryan Dunn's show, G4's Proving Ground resume airing again?
On June 27, G4 announced they would air the remaining episodes starting on July 19, 2011.

Question: Which film was he working on at the time of his death?
Self-contained rewrite: Which film was Ryan Dunn working on at the time of his death?