Where to watch TF shows

G1
Tubi: https://tubitv.com/series/11/transformers-generation-1?start=true
Youtube(official Hasbro uploads): S1: https://www.youtube.com/watch?v=Y1ujpoDlgRU&list=PLD3dCMp2WHiwrVPo2XaZpkWp3K3xpx3h8
                                  S2: https://www.youtube.com/watch?v=Q1C1W-jy0P4&list=PLD3dCMp2WHizDuYwURcwk1VhvsPQo_Fx8
                                  S3: https://www.youtube.com/watch?v=Rp7qxd3c31s&list=PLD3dCMp2WHixI37GR775SsxS70SupKT62
                                  Rebirth: https://www.youtube.com/watch?v=mGsJZtfMtrg&list=PLD3dCMp2WHiwnw25srmaM6hW8rzDg4yqV
wcostream: https://www.wcostream.com/anime/transformers-1984

Beast Wars
Tubi: https://tubitv.com/series/539/beast-wars
Youtube(1080p upscale): https://www.youtube.com/watch?v=-lIUWbFG2Kk&list=PL_hfDtD68l8V8MXCfBd1JZCN5GyfxChPT
wcostream: https://www.wcostream.com/playlist-cat/transformers-beast-wars

Beast Machines
Tubi: https://tubitv.com/series/1585/beast-machines-transformers?start=true
wcostream: https://www.wcostream.com/anime/transformers-beast-machines

This list is incomplete and additions are recommended.