Gretna were given a harsh introduction to life in the SPL after going down 4-0 to Falkirk.
John Hughes' men proved too strong for the SPL new boys at Fir Park as they eased to a comfortable victory.
New boy Michael Higdon made a dream start to his Falkirk career with the opener after just 14 minutes and the former Crewe man doubled the lead ten minutes later.
Pedro Moutinho added a third on 66 minutes to put the game beyond Gretna.
Veteran Russell Latapy got in on the act on 74 minutes to put a dampener on Gretna's big day.
Mark McGhee enjoyed a winning start as Motherwell manager as his side picked up a 1-0 victory at St Mirren.
Steve McGarry's early strike after just three minutes was enough to give McGhee's men the ideal start to the new season.
Ten-man Dundee United battled to a 1-0 win over Aberdeen at Tannadice.
David Robertson's last-gasp goal gave Craig Levein's men an unlikely win
Willo Flood endured a debut to forget after being sent off for two bookable offences three minutes before the break.
Aberdeen were unable to make their numerical advantage count and United snatched the points when Robertson popped up in the final minute to score.
In the lunchtime kick-off Rangers eased past Inverness 3-0 at the Caledonian Stadium.
Barry Ferguson grabbed two goals, while Nacho Novo netted the other as Walter Smith's side signalled their intention to mount a serious title challenge to Celtic this season.
Click on fixture for full match summary