Baile na h-Ola/Aberdeen: When Oil Came to Town (BBC Alba documentary, 2023)

Programme looking at the impact of Scottish oil on the city of Aberdeen.
Street scenes show Aberdeen Corporation and Grampian Regional Transport buses.
No clues as to these Aberdeen buses:

These are Grampian Alexander-bodied Leyland Atlanteans:

Aberdeen Daimler CVG6s:

Two Aberdeen Atlanteans and a Daimler CVG6:

Grampian Atlanteans and an AEC Swift/Alexander:

Aberdeen 276 (ORG276), a 1960 Daimler CVG6/Metro-Cammell, and an AEC Swift/Alexander:

More Grampian Atlanteans:

Glimpsed: Aberdeen 42 (VRS542L), a 1972 Leyland-National, and another AEC Swift:

More recently, seen from behind is First Grampian 63199 (SN14EDO), a 2014 Wright Streelight DF new to First Games Transport for the 2014 Commonwealth Games:

There's also an interlude with the Aberdeen football team on an open-top bus tour after winning the European Cup Winners' Cup in 1983. The bus in question is Scottish Omnibuses OT1 (GCS245), a 1955 Bristol Lodekka LD6G/Eastern Coachworks. Although ostensibly with Eastern Scottish, in this footage it carries Northern Scottish fleetnames:

Also briefly appearing is Mairs of Dyce KJD439P, a 1976 Bristol LH6L/Eastern Coachworks new as London Transport BL39, but acquired from Grampian: