1. A non-transitory computer-readable medium embodying a program executable in at least one computing device, the program, when executed, causing the at least one computing device to at least: generate an administrator user interface configured to facilitate obtaining an indicator of a collection of a plurality of items related to a subject in a broadcast; cause the administrator user interface to be transmitted to an administrator client device associated with an administrator; obtain the indicator of the collection of the plurality of items related to the subject in the broadcast via the administrator user interface rendered on the administrator client device; detect a depiction of the subject in the broadcast by applying a subject recognition algorithm to video data of the broadcast; generate a client user interface associated with an electronic commerce system, the client user interface comprising a collection display panel, the collection display panel comprising, responsive to detecting the subject in the broadcast, the collection of the plurality of items related to the subject in the broadcast; cause the client user interface to be transmitted to a client device associated with a viewer of the broadcast; obtain a client selection of at least one of the plurality of items in the collection display panel via the client user interface rendered on the client device; and perform at least one of a plurality of actions based at least in part on the client selection, wherein the actions comprise at least one of: adding the client selection to a wish list; adding the client selection to a shopping cart; or initiating display of an item detail page related to the client selection.