Viewing suggestions based on closed-captioned content from multiple tuners

A method, comprising:

• receiving a plurality of video content streams by a television receiver, a first video content stream of the plurality of video content streams being watched or recorded by a user;
• populating, automatically by the television receiver concurrent with the receiving, a respective buffer for each of the video content streams with the respective set of keywords by parsing respective text data from the video content stream to generate the respective set of keywords;
• determining, automatically by the television receiver responsive to the populating, a second video content stream of the plurality of video content streams for which the respective set of keywords in the respective buffer overlaps with the respective set of keywords in the respective buffer for the first video content stream, the second video content stream not being watched or recorded by the user;
• and
• generating, automatically by the television receiver responsive to the determining, a notification to the user indicating the second video content stream.

A non-transitory computer readable storage medium comprising instructions that, when executed by one or more processors, cause the one or more processors to perform operations including:

• receiving a plurality of video content streams by a television receiver, a first video content stream of the plurality of video content streams being watched or recorded by a user;
• populating, automatically by the television receiver concurrent with the receiving, a respective buffer for each of the video content streams with the respective set of keywords by parsing respective text data from the video content stream to generate the respective set of keywords;
• determining, automatically by the television receiver responsive to the populating, a second video content stream of the plurality of video content streams for which the respective set of keywords in the respective buffer overlaps with the respective set of keywords in the respective buffer for the first video content stream, the second video content stream not being watched or recorded by the user;
• and
• generating, automatically by the television receiver responsive to the determining, a notification to the user indicating the second video content stream.