During the 2007-2008 Writers Guild of America strike, How I Met your mom to stop production, but when the strike ended the show returned March 17, 2008, with nine new episodes.A change in the timeframe was also announced for 8:30 ET / 7:30 CT, about-face from the summer schedule with The Big Bang Theory. The show was renewed for a fourth season by CBS May 14, 2008, which premiered in September 22, 2008.In September 2008 it was announced that Lifetime Television purchased the right to enforce How I Met Your Mother at a rate of about $ 725,000 per episode.