Kammala wannan jumla: Rubutun "Wani lokaci Babban Ma'ana" shine kawai rubutun da aka gama a lokacin da
2007<unk>2008 Writers Guild of America ya fara yajin aiki. An mayar da shafukan rubutun da aka gyara a ranar kafin yajin aikin. Moore ya yanke shawarar cewa ya kamata 'yan wasan su ci gaba kamar yadda za a yi fim din, kuma ya tashi zuwa Vancouver, British Columbia, don yin magana da' yan wasan da 'yan wasan kafin farawar ya fara. Yajin aikin ya zama abin takaici sosai har gidan wasan kwaikwayon bai ba da izinin yin fim ba har sai da dare kafin ya fara.