Preparations are in full swing for round four, with Essendon completing its main session at The Hangar on Wednesday.

The Bombers will go head-to-head with the undefeated Brisbane Lions from 2:10 at the MCG on Saturday, while Essendon VFL has a bye weekend after its season-opening win over Frankston.

Below is a selection of the club's snaps from the track.

Irving Mosquito.

Tom Bellchambers and Sam Draper.

Cale Hooker.

Zac Clarke and Cale Hooker.

Josh Begley.

Jake Stringer pursues Marty Gleeson.

Dylan Shiel.

David Zaharakis.

Jake Stringer.

David Myers is put under pressure.

Dylan Shiel wins a clearance.

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