noun
long TV show; extended broadcast
Refers to a television program that runs for several hours, often a daytime or late-night block with a magazine-style format.
午後のワイド番組で特集が組まれた。
A special feature was put together on the afternoon long TV show.
Compound of ワイド (waido, from English 'wide') and 番組 (bangumi, 'program'). The term describes a broadcast with a wide time slot.