Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history. Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history. Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history. Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.