Events listed include television show debuts, finales, cancellations, and channel launches, closures and rebrandings, as well as information about controversies and carriage disputes.
The following is a list of television stations that have made or will make noteworthy affiliation switches in 2020.
The following is a list of television stations or cable channels that have made or will make noteworthy network rebrands in 2020.
The following is a list of stations and channels or networks that have stopped broadcasting or (temporarily) off the air in 2020.
The following are a list of television operators or providers and streaming media platforms or services launches and closures in 2020.