UK illusionist Dynamo may make objects dissolve before your eyes but he can also make viewers appear in front of TV screens. The Seven Network series of Thursday night specials Dynamo: Magician Impossible have constantly figured in the top 10 of OzTAM's overnight ratings. The show pulled 915,000 viewers on Thursday to be the fourth most-watched program behind Nine News (1.170 million), Seven News (1.123 million) and A Current Affair (967,000). The second episode of the new ABC Australian drama Upper Middle Bogan retained its spot in the top 10. Upper Middle Bogan was ninth with 861,000 viewers while the Nine Network's reality show Big Brother is holding up well. The human lab rat show was 10th with 840,000 watchers.