1x01: The Evidence
S09 Special: The Ultimate Evidence: Alien Messages
S09 Special: The Ultimate Evidence: Alien Power Plants
S09 Special: The Ultimate Evidence: The Monoliths
S09 Special: The Ultimate Evidence: Beyond Nazca
S01 Special: Chariots, Gods & Beyond
8x10: Tank You Come Again!
8x08: Wilmer's Tank-errama
8x09: Saved by the Spell
S08 Special: Fish-a-Palooza
8x07: The Purr-fect Tank
8x06: Pipe Dreams
8x05: The Pirate Queen