Alistair Gordon Lethbridge-Stewart

Brigadier Alistair Gordon Lethbridge-Stewart — BAGLS or “Bagels” for short — sported a mesmerising moustache and led U.N.I.T. against many an alien invasion attempt, all while being a great friend to The Doctor and his companions, an inspiring superior to our other U.N.I.T. favs and an all-round spiffing gent.
Podcast C130 The Five Doctors > > > > > > > > > > > > > > > > > > > > > > >

Four-and-a-bit Doctors battle Cybers, a chap in silver spandex and a Time Lord conspiracy in the 20th Anniversary Special
Podcast C126 Mawdryn Undead > > > > >

Two Bagels, one moustache. Doc & Co are split across time in the first part of the Black Guardian Trilogy
Podcast N116 Death in Heaven > > > > > > > >

Worst. Birthday. Ever.
Podcast C080 Terror of the Zygons > > > > > > >

The trustee of the Golden Haggis Lucky Dip commands a lactating Loch Ness Monster in a bid to destroy the environment
Podcast C075 Robot > > > > > >

An Einstein impersonator invents a growing robot capable of complex emotions and some entitled scientists direct it to commit robberies in Tom Baker’s debut serial as The Fourth Doctor.
Podcast C074 Planet of The Spiders > > > > > > > >

Pertwee shines in a his farewell serial as he faces off against a spider senate and runs over vagabonds with a hovercraft
Podcast C071 Invasion of the Dinosaurs > > > > > >

Dinosaurs in London, another literal sub-plot and the debut of the Whomobile!
Podcast C069 The Green Death > > > > > > > >

Doc is pitted against maggots, a giant fly and a wholly unrelated plot by a supercomputer to conquer the world of business in Jo Grant’s final serial
Podcast C065 The Three Doctors > > > > > > > > > >

The First and The Second join The Third on an adventure in an anti-matter universe for the Ten Year Anniversary of Doctor Who
Podcast C064 The Time Monster > > > > > > > > > >

The Master summons a time pigeon and goes back to Atlantis where he finds a minotaur and other plot points.