By comparison 4.35 million viewers tuned into ITV1 in the same 8pm-9pm time slot to see 'Heartbeat', giving the channel an 18.1% share of viewing to Five's 2.4%.
'Don't Stop Believing', which is sponsored by Argos and produced by Shine TV and GroupM Entertainment, debuted three weekends ago with 1.46 million viewers and a 6.8% share.
In its second outing this fell to 1.09 million viewers and a 4.8% share.
Channel 4's offering in the same slot was 'The Amish: World's Squarest Teenagers', which garnered 1.99 million viewers and an 8.3% share. Including Channel 4+1 ratings it was watched by 2.30 million people.
The night's biggest audience went to BBC One's 'Sherlock'. Reinforcing last week's strong debut, the new drama attracted 6.44 million viewers and a 25.6% share at 8.30pm-10pm.
ITV's 9pm-10pm offering, 'Taggart', drew 3.91 million, 15.5% of the available audience, but was outdone by BBC Two's 'Top Gear'.
The motors show was watched by 4.72 million people or 20.3% of the audience at 9.30pm-10.30pm.
'Big Brother' drew 1.96 million viewers to Channel 4 at 9pm-10pm, and another was watched by another 496,000 on Channel 4+1.
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