2/8 Chris uncovers the secret of a suspiciously fishy oil slick. (R)
4/8 Chris unearths a whirlwind wedding ceremony and a woman with her twin inside her brain. (R)
7/8 Chris meets a team of oversized rats who save lives by sniffing out landmines. (R)
8/8 Chris uncovers the cause of some mysterious holes in the Russian tundra. (R)
