He was used repeatedly in "Deep Water, Dark Water" due to him being an amphibious Slug, therefore not needing a Torpedo Shell to be fired successfully. He almost died in that episode, but managed to return to Eli.
- Protoform Abilities - Can spout a small amount of water.
- Seawee - Sonar blast, knocks back an opponent - underwater attack.
- Inksting - Squirts blinding clouds of ink at opponent - underwater attack.
- Aquajet - Squirts a jet of water like a fire hose.
- Aquaboost:"Beeker" + "Fandango"-TBD It hasn't officially appeared on the show yet.
- Deep Water, Dark Water (First appearance)
- The Hard Part
- The Return
- It Comes by Night
- Light as Day
- Slugterra: Ghoul from Beyond
- Slugterra: Return of the Elementals
- Slug Day
- Beeker is very friendly with one of the AquaBeeks seen in the episode "Deep Water, Dark Water", hinting that Undertow was Beeker's home before he met Eli.
- Beeker was ghouled in Return of the Elementals when the Water Elemental was ghouled.
- Although he megamorphed in Light as Day, Eli didn't use him.
- Beeker is not seen in his Mega Morph Protoform in Slug Day despite he shows to have a Mega Morph Velocimorph.