An information processing system, comprising: an information processing device comprising: a first ring buffer configured to record a game moving image produced by game software currently being executed, together with time information; an event information acquiring part configured to acquire, in a case where an event is generated in a game, event information including an event code identifying the generated event, from the game software; and a second ring buffer configured to record the acquired event information together with time information, wherein the time information recorded in the second ring buffer is synchronized with that recorded in the first ring buffer, thereby correlating the acquired event information with the game moving image; and a content server comprising: a distribution server configured to receive at least a part of the game moving image together with time information associated therewith; an event server configured to: receive a part of the event information that is correlated with the at least part of the game moving image, and convert the part of the event information into a format that is readable by the content server; and a search server configured to: receive a search request, and retrieve the at least part of the game moving image if the converted event information correlated therewith matches at least a part of the search request. an information processing device comprising: a first ring buffer configured to record a game moving image produced by game software currently being executed, together with time information; an event information acquiring part configured to acquire, in a case where an event is generated in a game, event information including an event code identifying the generated event, from the game software; and a second ring buffer configured to record the acquired event information together with time information, wherein the time information recorded in the second ring buffer is synchronized with that recorded in the first ring buffer, thereby correlating the acquired event information with the game moving image; and a first ring buffer configured to record a game moving image produced by game software currently being executed, together with time information; an event information acquiring part configured to acquire, in a case where an event is generated in a game, event information including an event code identifying the generated event, from the game software; and a second ring buffer configured to record the acquired event information together with time information, wherein the time information recorded in the second ring buffer is synchronized with that recorded in the first ring buffer, thereby correlating the acquired event information with the game moving image; and a content server comprising: a distribution server configured to receive at least a part of the game moving image together with time information associated therewith; an event server configured to: receive a part of the event information that is correlated with the at least part of the game moving image, and convert the part of the event information into a format that is readable by the content server; and a search server configured to: receive a search request, and retrieve the at least part of the game moving image if the converted event information correlated therewith matches at least a part of the search request. a distribution server configured to receive at least a part of the game moving image together with time information associated therewith; an event server configured to: receive a part of the event information that is correlated with the at least part of the game moving image, and convert the part of the event information into a format that is readable by the content server; and receive a part of the event information that is correlated with the at least part of the game moving image, and convert the part of the event information into a format that is readable by the content server; and a search server configured to: receive a search request, and retrieve the at least part of the game moving image if the converted event information correlated therewith matches at least a part of the search request. receive a search request, and retrieve the at least part of the game moving image if the converted event information correlated therewith matches at least a part of the search request.