General Overview
History of the English Language (British Council, 1943) [also available here]
The Story of English (BBC, 1986, 9 episodes) [also available here, though linked to YouTube]
Melvyn Bragg, The Adventure of English (ITV series, 2003, 8 episodes) [also available here, though linked to YouTube]
The History of English in Ten Minutes (Open University, 2011) [The playlist of the 10 clips is available here. For more information about this resource, see this page. The Open University also has a clip 'Shakespeare: Original pronunciation' (YouTube link).]
Lecture Series
George Walkden, Konstanz Linguistics, History of the English Language (SHE II) 2019 [10 c.90 minute classroom lectures; The 2017 version of the same lectures is available here.]
Ted Sherman (Middle Tennessee State University) [Videos of classroom lectures; playlists include 'Introduction to Shakespeare', 'Old English' and 'History of the English Language']
Jürgen Handke (Marburg University), The Virtual Linguistics Campus [see the playlists 'Linguistics 201 – The Structure of English', 'Linguistics 203 – History of English' and 'Linguistics 305 – Varieties of English']
Martin Hilpert (University of Neuchâtel), Intro to English linguistics [23 lectures including 'The prehistory of English', 'Old and Middle English' and 'The Great Vowel Shift']
Martin Hilpert (University of Neuchâtel), Englishes around the world [5 lectures]
Karen Marsh (University of Utah), World Englishes [5 lectures]
Alaric Hall (University of Leeds) [offers video lectures 'Introducing Old English' and 'Reading Middle English']
Nicole Gunther Discenza (University of South Florida) [includes demonstrations of DOE and the old version of MED]
Thijs Porck (Leiden University) [watch 'Old English Grammar Bytes' (4 clips) and 'The origins of English']
Virtual Comsats, History of English language [a playlist of HEL lectures offered at COMSATS University Islamabad (Pakistan)]
Historia Lengua Inglesa [a number of short clips on various aspects of HEL]
Jonathan M. Newman (Missouri State University) [a collection of ready-made videos relevant to his HEL courses]
One-off Lectures and Interviews
Apart from the links below, there are dozens of clips featuring David Crystal (British Council, Cambridge University, Macmillan, Oxford Academic).
Oxford Academic, 'What will English language look like in the future?'
Oxford Academic, 'How are the standards of English language changing?' [Both clips feature Professor Simon Horobin (University of Oxford).]
UAlbertaArts, 'John Considine: Lexicography and history of the English language' ['UAlberta English and Film Studies professor John Considine on his research in the history of the English language']
Oxford Academic, 'Chaucer's Middle English - Don't Be Intimidated!' [The speaker is Professor David Wallace.]
FutureLearn, 'Why has English developed as a world language?' [The speaker is Dr Mariko Kitazawa.]
TESOLAcademic, 'Prof. Jennifer Jenkins talks about shifting to English as a Lingua Franca (ELF)' [Professor Jennifer Jenkins appears in a few other clips, e.g. ELF Pron's 'An introduction to English as a Lingua Franca: ELFpron speaks to Professor Jennifer Jenkins' and The TEFLology Podcast's 'TEFL Interviews 31: Jennifer Jenkins on Global Englishes'.]
Online Presentations and Lectures
Oxford Languages [recordings of webinars and short clips on word origins]
MacMillan Education ELT, 'How English became such a tricky language to learn' [The speaker is Lane Greene from the Economist.]
Offline Lectures and Interviews
Fisher Library, 'The ABC of Medieval English Writing' [recording of Dan Wakelin's 2019 George Kiddell Lecture on the History of the Book]
Yale University, 'Ardis Butterfield on Medieval English Lyrics and Chaucer'
Promotion of Research or Institution
LEL Edinburgh, 'The origins of the Scots language – in English' [The version in Scots is available here.]
University of Toronto: the Dictionary of Old English [See also this clip of ThinkTech's interview of Professor Haruko Momma and the DOE.]
Clips by Non-Academics
Leornende Eald Englisc ['This channel is all about learning the Old English Language or Anglo-Saxon, mainly through immersion.']
NativLang, 'What will future English be like?'
Arika Okrent, 'How British and American Spelling Parted Ways'
Verner's Law: Part 1, Part 2, Part 3 [with thanks to Dr Nuria Yáñez-Bouza]
Songs and Readings
Hillsdale College, Opening Lines of Beowulf in Old English
Medieval Tales in Performance, Cædmon’s Hymn sung in Old English
Medieval Tales in Performance, Cædmon’s Hymn spoken in Old English
Töchter Düsseldorfs, 'Yesterday in Old English'
Steve the vagabond and silly linguist, 'Let It Go in Old English'