In the episode "Nature Pants," it is seen as a net made of gold. However, in the episode "The Pink Purloiner," it is a more advanced net with silicon netting, titanium skeleton, and soft red grip handle. The newer Ol' Reliable also appeared in the episode "Best Day Ever."
In the episode "The Pink Purloiner," SpongeBob thinks Patrick stole Ol' Reliable. At the end of the episode, SpongeBob and Patrick find out that SpongeBob left it on the bus, and then SpongeBob gives it to Patrick, thinking he was going to move away. Patrick ends up staying, and they both jellyfish with their new nets.