After realizing that neither one of them can help Rocky ; he tells them that they need to work together .
Thomas rushes back to the Sodor Search & Rescue Center , where he alerts the other rescue vehicles ; and they set off to rescue Rocky .
After realizing that neither one of them can help Rocky ; Thomas tells them that they need to work together .
Thomas rushes back to the Sodor Search & Rescue Center , where he alerts the other rescue vehicles ; and they set off to rescue Rocky .