If you want to both see and hear but don't want to use Zoom you can connect on Air Mozilla, mute the speaker, and also dial in.
There is also an IRC back channel on the Freenode IRC server: [https://webchat.freenode.net/?channel=#23bugzilla Freenode IRC server: chat.freenode.net, channel #bugzilla] or [https://matrix.to/#/#bugzilla:mozilla.org Matrix at #bugzilla:mozilla.org](the two channels are linked, join either one)
Video recordings of past meetings can be viewed at https://www.youtube.com/user/Mozilla/search?query=bugzilla