Champions League highlights can be watched on several platforms including:

• The official UEFA Champions League website and its video section, which offers highlights and memorable moments.
• Paramount+, which streams live matches and often provides extended highlights.
• CBS Sports channels and their YouTube Golazo channel, which have extensive highlight videos and classic match replays.
• FOX Sports, with its dedicated UEFA Champions League highlights and video section.
• YouTube TV also offers UEFA Champions League highlights, sometimes with free trial options.

These platforms collectively provide a comprehensive source for watching Champions League highlights conveniently online.